You made me search for “genesis of the transistor” and I found this old gem: https://youtu.be/WiQvGRjrLnU

Here is a quote from that film that makes me a bit envious of those work environments: “Working in an environment which fosters the uninhibited search for answers to riddles of science related to communications’ needs.”

Wow, to work in an environment that has that sort of mission must be rewarding.