First Transistor Calculator
Machine Organization Accomplishment | 1957
IBM researcher: Robert A. Henle
Where the work was done: IBM T.J. Watson Research Center
What we accomplished: Robert Henle (pictured) was responsible for the world's first transistor calculator (as opposed to previous vacuum tube technology). It had 3000 germanium transistors.
Related links: Wikipedia Entry, Wired Article
Image credit: Engineering and Technology History Wiki
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