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	<id>https://en.bharatpedia.org/w/index.php?action=history&amp;feed=atom&amp;title=P._Radhakrishnan_%28scientist%29</id>
	<title>P. Radhakrishnan (scientist) - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://en.bharatpedia.org/w/index.php?action=history&amp;feed=atom&amp;title=P._Radhakrishnan_%28scientist%29"/>
	<link rel="alternate" type="text/html" href="https://en.bharatpedia.org/w/index.php?title=P._Radhakrishnan_(scientist)&amp;action=history"/>
	<updated>2026-10-27T20:53:58Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.bharatpedia.org/w/index.php?title=P._Radhakrishnan_(scientist)&amp;diff=450455&amp;oldid=prev</id>
		<title>Siddhant Babu Gamers: General improvements to article content</title>
		<link rel="alternate" type="text/html" href="https://en.bharatpedia.org/w/index.php?title=P._Radhakrishnan_(scientist)&amp;diff=450455&amp;oldid=prev"/>
		<updated>2026-02-09T06:00:09Z</updated>

		<summary type="html">&lt;p&gt;General improvements to article content&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:30, 9 February 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l7&quot;&gt;Line 7:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|birth_date         = {{birth date and age|df=yes|1943|10|10}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|birth_date         = {{birth date and age|df=yes|1943|10|10}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|birth_place        = [[Thiruvananthapuram]], Kerala, India&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|birth_place        = [[Thiruvananthapuram]], Kerala, India&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|nationality        = Indian&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|education          = Master of Science in &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;physics &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|education          = Master of Science in &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;physic]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|alma_mater         = [[University of Kerala]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|alma_mater         = [[University of Kerala]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|occupation         = Scientist, author, speaker&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|occupation         = Scientist, author, speaker&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l17&quot;&gt;Line 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| notable_works     = A Brief History of Rocketry in ISRO&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| notable_works     = A Brief History of Rocketry in ISRO&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;P. Radhakrishan&#039;&#039;&#039; (Nair, Paramaswaran Radhakrishnan)&amp;lt;ref&amp;gt;{{Cite web|url=http://www.astronautix.com/n/nair.html|archive-url=https://web.archive.org/web/20160915081402/http://www.astronautix.com/n/nair.html|url-status=dead|archive-date=15 September 2016|title=Nair|website=www.astronautix.com|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; is a veteran space scientist, author and speaker from India. He retired from the [[Indian Space Research Organisation]] as the Deputy Director of [[Liquid Propulsion Systems Centre]].&amp;lt;ref&amp;gt;{{Cite web|url=http://www.newindianexpress.com/cities/thiruvananthapuram/KSCSTE-Science-Festival-at-Kanakakkunnu-from-Tomorrow/2014/11/01/article2502461.ece|title=KSCSTE Science Festival at Kanakakkunnu from Tomorrow|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; Radhakrishnan was one of the two trainees slated to travel to space in the [[Canceled Space Shuttle missions|STS-61-I (Challenger)]] mission in September 1986 as a [[Payload Specialist]] for [[INSAT-1C]],&amp;lt;ref&amp;gt;{{Cite web|url=http://www.spaceline.org/challenger/challist.html|title=Spaceline: The Challenger Legacy|website=www.spaceline.org|access-date=2016-09-01}}&amp;lt;/ref&amp;gt; but the flight was cancelled after the [[Space Shuttle Challenger disaster|Challenger disaster]].&amp;lt;ref&amp;gt;{{Cite web|url=&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;http&lt;/del&gt;://indiatoday&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.intoday&lt;/del&gt;.in/story/astronauts-p&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.&lt;/del&gt;-radhakrishnan-and-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;n.c.&lt;/del&gt;-bhat-get-mentally-physically-prepared-for-space-trip&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/1/354670.html&lt;/del&gt;|title=Astronauts P. Radhakrishnan and N.C. Bhat get mentally, physically prepared for space trip|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; N.C.Bhat&amp;lt;ref&amp;gt;{{Cite web|url=http://www.astronautix.com/b/bhat.html|archive-url=https://web.archive.org/web/20160915033853/http://www.astronautix.com/b/bhat.html|url-status=dead|archive-date=15 September 2016|title=Bhat|website=www.astronautix.com|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; from [[ISRO Satellite centre]] was the other Indian space scientist who was trained by [[NASA]] for the mission – the plan was to select one of these two for the mission.&amp;lt;ref&amp;gt;{{Cite web|url=http://www.frontline.in/static/html/fl2004/stories/20030228004902200.htm|title=Training for the skies|website=www.frontline.in|access-date=2016-08-30}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&#039;&#039;&#039;P. Radhakrishan&#039;&#039;&#039; (Nair, Paramaswaran Radhakrishnan)&amp;lt;ref&amp;gt;{{Cite web|url=http://www.astronautix.com/n/nair.html|archive-url=https://web.archive.org/web/20160915081402/http://www.astronautix.com/n/nair.html|url-status=dead|archive-date=15 September 2016|title=Nair|website=www.astronautix.com|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; is a veteran space scientist, author and speaker from India. He retired from the [[Indian Space Research Organisation]] as the Deputy Director of [[Liquid Propulsion Systems Centre]].&amp;lt;ref&amp;gt;{{Cite web|url=http://www.newindianexpress.com/cities/thiruvananthapuram/KSCSTE-Science-Festival-at-Kanakakkunnu-from-Tomorrow/2014/11/01/article2502461.ece&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|archive-url=https://web.archive.org/web/20141101183727/http://www.newindianexpress.com/cities/thiruvananthapuram/KSCSTE-Science-Festival-at-Kanakakkunnu-from-Tomorrow/2014/11/01/article2502461.ece|url-status=dead|archive-date=1 November 2014&lt;/ins&gt;|title=KSCSTE Science Festival at Kanakakkunnu from Tomorrow|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; Radhakrishnan was one of the two trainees slated to travel to space in the [[Canceled Space Shuttle missions|STS-61-I (Challenger)]] mission in September 1986 as a [[Payload Specialist]] for [[INSAT-1C]],&amp;lt;ref&amp;gt;{{Cite web|url=http://www.spaceline.org/challenger/challist.html|title=Spaceline: The Challenger Legacy|website=www.spaceline.org|access-date=2016-09-01}}&amp;lt;/ref&amp;gt; but the flight was cancelled after the [[Space Shuttle Challenger disaster|Challenger disaster]].&amp;lt;ref&amp;gt;{{Cite web|url=&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;https&lt;/ins&gt;://&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;www.&lt;/ins&gt;indiatoday.in&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;/magazine/science-and-technology&lt;/ins&gt;/story/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;19851115-&lt;/ins&gt;astronauts-p-radhakrishnan-and-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nc&lt;/ins&gt;-bhat-get-mentally-physically-prepared-for-space-trip&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;-802157-2014-01-16&lt;/ins&gt;|title=Astronauts P. Radhakrishnan and N.C. Bhat get mentally, physically prepared for space trip|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; N.C.Bhat&amp;lt;ref&amp;gt;{{Cite web|url=http://www.astronautix.com/b/bhat.html|archive-url=https://web.archive.org/web/20160915033853/http://www.astronautix.com/b/bhat.html|url-status=dead|archive-date=15 September 2016|title=Bhat|website=www.astronautix.com|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; from [[ISRO Satellite centre]] was the other Indian space scientist who was trained by [[NASA]] for the mission – the plan was to select one of these two for the mission.&amp;lt;ref&amp;gt;{{Cite web|url=http://www.frontline.in/static/html/fl2004/stories/20030228004902200.htm|title=Training for the skies|website=www.frontline.in|access-date=2016-08-30}}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Early life ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== Early life ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l34&quot;&gt;Line 34:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 33:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Living people]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Living people]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:20th-century Indian physicists]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:20th-century Indian physicists]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Indian Space Research Organisation &lt;/del&gt;people]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ISRO &lt;/ins&gt;people]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Scientists from Thiruvananthapuram]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Scientists from Thiruvananthapuram]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Siddhant Babu Gamers</name></author>
	</entry>
	<entry>
		<id>https://en.bharatpedia.org/w/index.php?title=P._Radhakrishnan_(scientist)&amp;diff=418012&amp;oldid=prev</id>
		<title>Ajay Kumar: Created a new article</title>
		<link rel="alternate" type="text/html" href="https://en.bharatpedia.org/w/index.php?title=P._Radhakrishnan_(scientist)&amp;diff=418012&amp;oldid=prev"/>
		<updated>2023-08-24T15:37:55Z</updated>

		<summary type="html">&lt;p&gt;Created a new article&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Use dmy dates|date=January 2019}}&lt;br /&gt;
{{Use Indian English|date=January 2019}}&lt;br /&gt;
{{Infobox person&lt;br /&gt;
|name               = P. Radhakrishnan&lt;br /&gt;
|image              = &lt;br /&gt;
|caption            = &lt;br /&gt;
|birth_date         = {{birth date and age|df=yes|1943|10|10}}&lt;br /&gt;
|birth_place        = [[Thiruvananthapuram]], Kerala, India&lt;br /&gt;
|nationality        = Indian&lt;br /&gt;
|education          = Master of Science in physic]&lt;br /&gt;
|alma_mater         = [[University of Kerala]]&lt;br /&gt;
|occupation         = Scientist, author, speaker&lt;br /&gt;
|employer           = [[Government of India]]&lt;br /&gt;
|organization       = [[Indian Space Research Organization]]&lt;br /&gt;
|yearsactive        = 1966–present&lt;br /&gt;
|awards             =&lt;br /&gt;
| notable_works     = A Brief History of Rocketry in ISRO&lt;br /&gt;
}}&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;P. Radhakrishan&amp;#039;&amp;#039;&amp;#039; (Nair, Paramaswaran Radhakrishnan)&amp;lt;ref&amp;gt;{{Cite web|url=http://www.astronautix.com/n/nair.html|archive-url=https://web.archive.org/web/20160915081402/http://www.astronautix.com/n/nair.html|url-status=dead|archive-date=15 September 2016|title=Nair|website=www.astronautix.com|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; is a veteran space scientist, author and speaker from India. He retired from the [[Indian Space Research Organisation]] as the Deputy Director of [[Liquid Propulsion Systems Centre]].&amp;lt;ref&amp;gt;{{Cite web|url=http://www.newindianexpress.com/cities/thiruvananthapuram/KSCSTE-Science-Festival-at-Kanakakkunnu-from-Tomorrow/2014/11/01/article2502461.ece|title=KSCSTE Science Festival at Kanakakkunnu from Tomorrow|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; Radhakrishnan was one of the two trainees slated to travel to space in the [[Canceled Space Shuttle missions|STS-61-I (Challenger)]] mission in September 1986 as a [[Payload Specialist]] for [[INSAT-1C]],&amp;lt;ref&amp;gt;{{Cite web|url=http://www.spaceline.org/challenger/challist.html|title=Spaceline: The Challenger Legacy|website=www.spaceline.org|access-date=2016-09-01}}&amp;lt;/ref&amp;gt; but the flight was cancelled after the [[Space Shuttle Challenger disaster|Challenger disaster]].&amp;lt;ref&amp;gt;{{Cite web|url=http://indiatoday.intoday.in/story/astronauts-p.-radhakrishnan-and-n.c.-bhat-get-mentally-physically-prepared-for-space-trip/1/354670.html|title=Astronauts P. Radhakrishnan and N.C. Bhat get mentally, physically prepared for space trip|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; N.C.Bhat&amp;lt;ref&amp;gt;{{Cite web|url=http://www.astronautix.com/b/bhat.html|archive-url=https://web.archive.org/web/20160915033853/http://www.astronautix.com/b/bhat.html|url-status=dead|archive-date=15 September 2016|title=Bhat|website=www.astronautix.com|access-date=2016-08-30}}&amp;lt;/ref&amp;gt; from [[ISRO Satellite centre]] was the other Indian space scientist who was trained by [[NASA]] for the mission – the plan was to select one of these two for the mission.&amp;lt;ref&amp;gt;{{Cite web|url=http://www.frontline.in/static/html/fl2004/stories/20030228004902200.htm|title=Training for the skies|website=www.frontline.in|access-date=2016-08-30}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Early life ==&lt;br /&gt;
Born in [[Thiruvananthapuram]] in 1943, Radhakrishnan completed his Bachelor of Science in [[Physics]] and Mathematics from [[University College Thiruvananthapuram]] in 1963. In 1965 he completed his Master of Science in [[Physics]] from the same college.&amp;lt;ref&amp;gt;{{Cite web|url=http://www.spacefacts.de/bios/international/english/nair_radakrishnan.htm|title=Astronaut Biography: Radhakrishnan Nair|last=Becker|first=Joachim|website=www.spacefacts.de|access-date=2016-08-31}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Career ==&lt;br /&gt;
Radhakrishnan joined the [[Indian Space Research Organization]] (ISRO) in 1966 and was involved in the development of India&amp;#039;s early satellites like [[Aryabhata (satellite)|Aryabhata]], [[Rohini (satellite)|Rohini]] and [[Ariane Passenger Payload Experiment|APPLE]], and later the [[Insat]] satellites. He was part of the Programme Planning &amp;amp; Evaluation Group at [[Vikram Sarabhai Space Centre|VSSC]], and later became the Group Director of the Electronics Division. During the 1984–1986 period – as part of the evaluation to be a [[Payload Specialist]] in the [[Canceled Space Shuttle missions|STS-61-I (Challenger)]] mission – he went through extensive tests and training at the Institute of Aviation Medicine, Bangalore and the [[Johnson Space Center]].&amp;lt;ref&amp;gt;{{Cite web|url=http://www.godrejappliances.com/godrej/GodrejandBoyce/pdf/2005/marapr/ATouchofHeroism.htm|title=A Touch of Heroism|website=www.godrejappliances.com|access-date=2016-09-01}}&amp;lt;/ref&amp;gt; He retired from the ISRO&amp;#039;s [[Liquid Propulsion Systems Centre|LPSC]] as the center&amp;#039;s deputy director for systems reliability &amp;amp; quality assurance.&amp;lt;ref&amp;gt;{{Cite web|url=http://www.astronaut.ru/as_india/text/nair.htm?reload_coolmenus|title=Nair Paramaswaren Radhakrishnan|website=www.astronaut.ru|access-date=2016-09-01}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{Cite book|url=https://books.google.com/books?id=XD1ZaYbiWwMC|title=Emerging Space Powers: The New Space Programs of Asia, the Middle East and South-America|last=Harvey|first=Brian|last2=Smid|first2=Henk H. F.|last3=Pirard|first3=Theo|date=2011-01-30|publisher=Springer Science &amp;amp; Business Media|isbn=9781441908742|language=en}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
{{Reflist}}&lt;br /&gt;
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{{Authority control}}&lt;br /&gt;
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{{DEFAULTSORT:Radhakrishnan, P.}}&lt;br /&gt;
[[Category:1943 births]]&lt;br /&gt;
[[Category:Living people]]&lt;br /&gt;
[[Category:20th-century Indian physicists]]&lt;br /&gt;
[[Category:Indian Space Research Organisation people]]&lt;br /&gt;
[[Category:Scientists from Thiruvananthapuram]]&lt;/div&gt;</summary>
		<author><name>Ajay Kumar</name></author>
	</entry>
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