Background
Callahan, Robert M. was born on January 17, 1940 in New York City. Son of George Alphonsus and Marjorie (McLeod) Callahan.
High-function graphics mathematician
Callahan, Robert M. was born on January 17, 1940 in New York City. Son of George Alphonsus and Marjorie (McLeod) Callahan.
Bachelor, Bachelor of Science, University of Michigan, 1965.
Manager International Business Machines Corporation Graphic Workstations, International Business Machines Corporation Corporation, Kingston, New York, 1982-1987; manager International Business Machines Corporation Computer-aided Design/The Communications Advertising and Marketing, International Business Machines Corporation Corporation, Kingston, New York, 1987-1992; director Advanced Workstations, International Business Machines Corporation-Asia Pacific, Somers, New York, since 1993.
Lieutenant United States Navy, 1962-1964. Member Institute of Electrical and Electronics Engineers, Association Computing Machinery.
Married Barbara J. Callahan, August 1, 1962. Children: Robert, Michael, Catherine.