Stephen T. Hedetniemi (7 February 1939)[1] is an American mathematician and computer scientist specializing in graph theory.
He is professor emeritus of computer science at Clemson University.
[3] He was in the Computational Logic Group at the University of Michigan and became assistant professor in Computer Science at the University of Iowa in 1967 and associate professor in 1969.
In 1972 he spent two months at the Naval Weapons Laboratory in Dahlgren and in 1975/76 he was a visiting professor at the University of Victoria.
From 1977 to 1982, he was a professor and head of the Department of Computer Science at the University of Oregon.