The Transistor at 75: The First Makers, Part 2 

Part 1 of this article discussed the spark that ignited the commercial semiconductor industry. It was the 1952 Transistor Symposium conducted by Bell Telephone Laboratories (BTL). A book published by BTL called A History of Engineering and Science in the Bell System: Electronics Technology (1925-1975) stated that twenty-six domestic and fourteen foreign transistor licensees of the BTL transistor patents attended the symposium.

Source: The Transistor at 75: The First Makers, Part 2 – EEJournal