When I wrote the initial six parts of this series on early transistor makers, I worked from a list of initial companies that made transistors using the early Bell Labs transistor patents. That list of attendees to the April, 1952 Transistor Symposium at Bell Labs came from Bo Lojek’s book, History of Semiconductor Engineering, which…
During the 1950's, more than 220,000 operators were employed by the Bell System alone. Most were women who were expected to be courteous, quick-thinking and patient under pressure.