Stephen T. Hedetniemi

Stephen T. Hedetniemi, born in 1939, is an American mathematician and computer scientist who specializes in graph theory and is professor emeritus of computer science at Clemson University. He took a bachelor's degree in mathematics at the University of Michigan in 1960, a master's degree in 1962 and a doctorate in communication sciences in 1966 under Frank Harary, with a thesis on homomorphisms of graphs and automata. He began teaching computer science at the University of Iowa in 1967, moved to the University of Virginia in 1972 and was a visiting professor at the University of Victoria in 1975 and 1976. From 1977 to 1982 he was professor and head of computer science at the University of Oregon, and from 1982 he was a professor at Clemson. His books on domination in graphs were written with Teresa Haynes, Peter Slater and Michael Henning.