In Memoriam: RAYMOND REITER June 12, 1939 – September 16, 2002

In Memory of Ray Reiter (1939-2002)

This quotation from John Fowles’s The French Lieutenant’s Woman concludes Ray’s 1980 paper, “A Logic for Default Reasoning,” one of the most influential and widely cited papers in all AI. The quotation captures what was special about Ray: He had an adventurer’s desire to go beyond the boundaries of our current understanding, together with a mathematician’s insistence on precision. Ray the adven...

In Memoriam—LevBrutman (1939–2001)

Lev M. Brutman was born in Moscow, in the former Soviet Union, on September 25, 1939. He completed his mathematical studies at Moscow State University in 1965. In 1973, he emigrated to Israel. With Nira Dyn as his advisor, Lev obtained a Ph.D. degree at Tel-Aviv University in 1982. The title of his dissertation was ‘‘Operators of polynomial interpolation and alternation: properties, optimality ...

In memoriam. Raymond Millard Cable 1909-1995.

In Memoriam Kurt G. Hofer (1939-2015).

Kurt G. Hofer, a radiation biologist and preeminent educator, unexpectedly but peacefully passed away on September 20, 2015, at the age of 76. Kurt was born in Feldkirchen in Kärnten, a town in the Austrian state of Carinthia, on March 2, 1939. He received his doctoral degree from the University of Vienna in 1965. In 1966, Kurt, accompanied by his wife Maria (Ridy) came to the United States to ...

In Memoriam: Edmund Pellegrino (June 22, 1920-June 13, 2013)