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Gene Amdahl, 1922-2015

Pioneer remembered for creating modern mainframe architectures

Gene Myron Amdahl, a pioneer in the mainframe computer era, passed away on November 10, at the age of 93. He is chiefly known for his work on mainframes at IBM; in the 1960s he became chief architect of System/360. He later started his own companies, most notably Amdahl Corporation. He formulated Amdahl's law, which states a fundamental limitation of parallel computing.

An ACM Senior Member, Amdahl lectured at and contributed papers to many ACM conferences. He was named an IBM Fellow in 1965, and became a member of the National Academy of Engineering in 1967. In 2007, Amdahl was recognized with the SIGDA Pioneering Achievement Award.

Wikipedia article

More in-depth article on his contributions, with photos