George E. Collins (January 10, 1928 in Stuart, Iowa – November 21, 2017 in Madison, Wisconsin)[1] was an American mathematician and computer scientist.
He is the inventor of garbage collection by reference counting[G60][2] and of the method of quantifier elimination by cylindrical algebraic decomposition.
[G75][3] He received his PhD from Cornell University in 1955.
[4] He worked at IBM, the University of Wisconsin–Madison (1966–1986) Ohio State University, RISC-Linz, University of Delaware, and North Carolina State University.
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