Seymour Cray

Seymour Cray (1925–1996) was an American electrical engineer and computer architect who founded Cray Research and designed influential supercomputers.

Vector processor: A processor that applies one instruction to many data elements in sequence or parallel. Vector operations helped Cray computers process scientific calculations efficiently.
CDC 1604: A transistorized mainframe computer developed by Control Data Corporation in the late 1950s and early 1960s. Cray designed this early CDC machine before becoming known for supercomputers.
William Norris: An American business executive who co-founded Control Data Corporation and led it for decades. Norris built the company where Cray developed several influential computers.
Computational fluid dynamics: The numerical study of fluid motion using computer simulations. Cray supercomputers became tools for simulations demanding extensive numerical computation.
IBM System/360: A family of compatible mainframe computers announced by IBM in 1964. Its broad compatibility goals differed from Cray’s emphasis on specialized scientific speed.
Instruction pipelining: A technique that overlaps successive stages of instruction execution to increase processor throughput. Cray used pipelined arithmetic units to keep operations moving at high speed.
CDC 6600: A supercomputer introduced by Control Data Corporation in 1964, noted for high performance and multiple functional units. Cray’s design made the CDC 6600 a landmark in high-performance computing.
Control Data Corporation: An American computer company founded in 1957 that developed scientific computers and supercomputers. Cray designed major machines there before leaving to establish his own firm.
Weather forecasting: The prediction of atmospheric conditions using observations and models. Cray machines supported the large calculations used in numerical weather prediction.
Massively parallel processing: A computing approach that divides workloads across very large numbers of processors. It represents a different route to performance than Cray’s early vector supercomputers.

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