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	<id>https://en.bharatpedia.org/w/index.php?action=history&amp;feed=atom&amp;title=Ravi_Sethi</id>
	<title>Ravi Sethi - Revision history</title>
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	<updated>2026-11-15T05:58:33Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://en.bharatpedia.org/w/index.php?title=Ravi_Sethi&amp;diff=261720&amp;oldid=prev</id>
		<title>-&gt;David Eppstein: Reverted edits by 2400:ADC5:1A9:1700:BD94:EA6D:68C7:5E2A (talk) to last version by Adamsamuelwilson</title>
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		<updated>2021-10-29T18:27:27Z</updated>

		<summary type="html">&lt;p&gt;Reverted edits by &lt;a href=&quot;/wiki/Special:Contributions/2400:ADC5:1A9:1700:BD94:EA6D:68C7:5E2A&quot; title=&quot;Special:Contributions/2400:ADC5:1A9:1700:BD94:EA6D:68C7:5E2A&quot;&gt;2400:ADC5:1A9:1700:BD94:EA6D:68C7:5E2A&lt;/a&gt; (&lt;a href=&quot;/w/index.php?title=User_talk:2400:ADC5:1A9:1700:BD94:EA6D:68C7:5E2A&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:2400:ADC5:1A9:1700:BD94:EA6D:68C7:5E2A (page does not exist)&quot;&gt;talk&lt;/a&gt;) to last version by Adamsamuelwilson&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 23:57, 29 October 2021&lt;/td&gt;
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		<author><name>-&gt;David Eppstein</name></author>
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		<id>https://en.bharatpedia.org/w/index.php?title=Ravi_Sethi&amp;diff=166136&amp;oldid=prev</id>
		<title>imported&gt;Adamsamuelwilson at 06:00, 8 July 2021</title>
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		<updated>2021-07-08T06:00:11Z</updated>

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&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Use dmy dates|date=June 2018}}&lt;br /&gt;
{{Use Indian English|date=June 2018}}&lt;br /&gt;
{{Infobox scientist&lt;br /&gt;
|name              = Ravi Sethi&lt;br /&gt;
|image             =&lt;br /&gt;
|workplaces        = [[Penn State University]]&amp;lt;br/&amp;gt;[[Bell Labs]]&amp;lt;br/&amp;gt;[[Avaya|Avaya Labs Research]]&amp;lt;br/&amp;gt;[[University of Arizona]]&lt;br /&gt;
|alma_mater        = [[Indian Institute of Technology, Kanpur]]&amp;lt;br/&amp;gt;[[Princeton University]]&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Ravi Sethi&amp;#039;&amp;#039;&amp;#039; (born 1947) is an Indian [[computer scientist]] retired from executive roles at [[Bell Labs]] and [[Avaya|Avaya Labs]]. He also serves as a member of the [[National Science Foundation]]&amp;#039;s Computer and Information Science and Engineering (CISE) Advisory Committee.  He is best known as one of three authors of the classic [[computer science]] textbook &amp;#039;&amp;#039;[[Compilers: Principles, Techniques, and Tools]]&amp;#039;&amp;#039;, also known as the &amp;#039;&amp;#039;Dragon Book&amp;#039;&amp;#039;.&lt;br /&gt;
&lt;br /&gt;
Sethi was born in 1947 in [[Punjab, India|Murdana, Punjab]]. He attended the [[Indian Institute of Technology, Kanpur]] (IITK) and went on to obtain a [[Doctor of Philosophy|Ph.D.]] at [[Princeton University]].&amp;lt;ref&amp;gt;{{mathgenealogy|id=82048}}.&amp;lt;/ref&amp;gt; He worked as an assistant professor at [[Penn State University]], before joining [[Bell Labs]] in 1976.&lt;br /&gt;
&lt;br /&gt;
While working for [[Bell Labs]] he was awarded the &amp;quot;Distinguished Technical Staff award&amp;quot;, and in 1996 he was named a [[List of Fellows of the Association for Computing Machinery|Fellow of the Association for Computing Machinery]].&amp;lt;ref&amp;gt;[https://web.archive.org/web/20061004070830/http://fellows.acm.org/fellow_citation.cfm?id=1393677&amp;amp;srt=all ACM Fellows Award: Ravi Sethi], retrieved 2011-04-14.&amp;lt;/ref&amp;gt; Also in 1996 he was named research vice president in charge of computing and mathematical sciences and, additionally, in 1997, chief technical officer for Lucent’s Communications Software Group.&lt;br /&gt;
&lt;br /&gt;
In 2014, Sethi joined the department of computer science at the [[University of Arizona]].&lt;br /&gt;
==References==&lt;br /&gt;
{{reflist}}&lt;br /&gt;
&lt;br /&gt;
==External links==&lt;br /&gt;
*[https://www2.cs.arizona.edu/~rsethi/ Home page (University of Arizona)]&lt;br /&gt;
*[https://www.bell-labs.co/who/ravi/ Home page (Bell Labs)]&lt;br /&gt;
*[http://www.avaya.com/usa/avaya-labs/people/ravi-sethipresident-avaya-labs-research Autobiographical note at Avaya website] &amp;lt;!-- needs archive.org replacement --&amp;gt;&lt;br /&gt;
*[http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/s/Sethi:Ravi.html Publication list] on [[DBLP]]&lt;br /&gt;
{{Authority control}}&lt;br /&gt;
&lt;br /&gt;
{{DEFAULTSORT:Sethi, Ravi}}&lt;br /&gt;
[[Category:1947 births]]&lt;br /&gt;
[[Category:Fellows of the Association for Computing Machinery]]&lt;br /&gt;
[[Category:Indian computer scientists]]&lt;br /&gt;
[[Category:Living people]]&lt;br /&gt;
[[Category:Avaya employees]]&lt;br /&gt;
[[Category:Scientists at Bell Labs]]&lt;br /&gt;
[[Category:Indian Institute of Technology Kanpur alumni]]&lt;br /&gt;
[[Category:Princeton University alumni]]&lt;br /&gt;
[[Category:People from Punjab, India]]&lt;/div&gt;</summary>
		<author><name>imported&gt;Adamsamuelwilson</name></author>
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