Robert Endre Tarjan
Also known as Bob Tarjan, Robert E. Tarjan
Robert Endre Tarjan is a computer scientist and mathematician known for the design and analysis of algorithms and data structures. He earned a Caltech mathematics degree in 1969 and a Stanford PhD in 1972. He joined Princeton in 1985, shared the 1986 Turing Award with John Hopcroft, and shared the 1999 Paris Kanellakis Award with Daniel Sleator for splay trees. Intertrust Technologies made him its chief scientist in 2014, and the International Congress of Basic Science gave him its 2025 Basic Science Lifetime Award. As of October 2026, he is a Princeton professor and Intertrust's chief scientist, and INSAIT lists him among its visiting faculty.
Timeline
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1969–1972
Caltech and Stanford degrees
He earns a mathematics bachelor's degree at Caltech in 1969. In 1972 he completes a Stanford PhD in computer science.
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1972–1985
Academic posts, then Princeton
From 1972 to 1985 he holds academic posts at Cornell, Berkeley, Stanford, and New York University. In 1985 he joins Princeton as James S. McDonnell Distinguished University Professor of Computer Science.
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1982
The first Nevanlinna Prize
In 1982 he becomes the first winner of the Rolf Nevanlinna Prize.
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1986
A Turing Award with Hopcroft
He and John Hopcroft receive the 1986 ACM Turing Award for fundamental achievements in the design and analysis of algorithms and data structures.
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1999
A Kanellakis award for splay trees
The 1999 ACM Paris Kanellakis Award goes to him and Daniel Sleator for their invention of splay trees.
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2014
Chief scientist at Intertrust
In 2014 he joins Intertrust Technologies as chief scientist.
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2025
A basic science lifetime award
The International Congress of Basic Science gives him its 2025 Basic Science Lifetime Award.
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As of October 2026
Princeton and Intertrust roles
He is a Princeton professor and Intertrust's chief scientist. INSAIT lists him among its visiting faculty.
Sources and credits
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- Robert Tarjan - Wikipedia
- Robert Tarjan
- Robert Tarjan wins lifetime achievement award from the International Congress of Basic Science
- Robert Endre Tarjan - Heidelberg Laureate Forum
- Robert E. Tarjan | Collège de France
- Princeton Computer Scientist Robert E. Tarjan Appointed Chief Scientist at Intertrust Technologies
- Algorithms and Theory