Thomas John Watson Jr. (January 14, 1914 – December 31, 1993) was an American businessman, diplomat, Army Air Forces pilot, and philanthropist. The son of IBM Corporation founder Thomas J. Watson, he was the second IBM president (1952–71), the 11th national president of the Boy Scouts of America (1964–68) and served on the World Scout Committee (1965-1971), and the 16th United States Ambassador to the Soviet Union (1979–81). He received many honors during his lifetime, including being awarded the Presidential Medal of Freedom by Lyndon B. Johnson in 1964. Fortune called him "the greatest capitalist in history" and Time listed him as one of "100 most influential people of the 20th century".
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In this Dossier
Thomas J. Watson Jr. in the context of S/360
The IBM System/360 (S/360) is a family of computer systems announced by IBM on April 7, 1964, and delivered between 1965 and 1978. System/360 was the first family of computers designed to cover both commercial and scientific applications and a complete range of sizes from small, entry-level machines to large mainframes. The design distinguished between architecture and implementation, allowing IBM to release a suite of compatible designs at different prices. All but the only partially compatible Model 44 and the most expensive systems use microcode to implement the instruction set, which used 8-bit byte addressing with fixed-point binary, fixed-point decimal and hexadecimal floating-point calculations. The System/360 family introduced IBM's Solid Logic Technology (SLT), which packed more transistors onto a circuit card, allowing more powerful but smaller computers, but did not include integrated circuits, which IBM considered too immature.
System/360's chief architect was Gene Amdahl and the project was managed by Fred Brooks, responsible to Chairman Thomas J. Watson Jr. The commercial release was piloted by another of Watson's lieutenants, John R. Opel, who managed the launch of IBM's System/360 mainframe family in 1964. The slowest System/360 model announced in 1964, the Model 30, could perform up to 34,500 instructions per second, with memory from 8 to 64 KB. High-performance models came later. The 1967 IBM System/360 Model 91 could execute up to 16.6 million instructions per second. The larger 360 models could have up to 8 MB of main memory, though that much memory was unusual; a large installation might have as little as 256 KB of main storage, but 512 KB, 768 KB or 1024 KB was more common. Up to 8 megabytes of slower (8 microsecond) Large Capacity Storage (LCS) was also available for some models.