Robert Endre Tarjan (born April 30, 1948 in Pomona, California) is a renowned computer scientist. He is the discoverer of several important graph algorithms, including Tarjan's off-line least common ancestors algorithm.
Tarjan received a Turing Award in 1986. The citation for the award states that it was :
- For fundamental achievements in the design and analysis of algorithms and data structures.
Tarjan is currently a professor of Computer Science at Princeton University, and also works for Hewlett-Packard.