Computer History Museum

Get Involved on Giving Tuesday!

This holiday season, you can beat shopping burnout by participating in Giving Tuesday, the philanthropic answer to Black Friday and Cyber Monday. Your gift will give local students the gift of a field trip through our school tours program. Check our Facebook, Twitter, and Instagram pages for contests and tips on how you can get involved in the Museum.

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Who Invented the Transistor?

Because of their poor reliability and large power consumption, by the late 1930's engineers at American Telephone and Telegraph knew that vacuum-tube circuits could not handle the company's rapidly growing demand for increased phone call capacity. Bell Laboratories' director of research Mervin J. Kelly assigned William Shockley to investigate the possibility of using semiconductor technology to replace tubes.

Mike Markkula: Personal Computing, Meet the World

It is no secret that Steve Jobs and Steve Wozniak revolutionized personal computing, but Mike Markkula is the one who introduced it to the world. Read this story and more in Mike Markkula's oral history.

Revolutionaries Series on KQED

Tune in to on Tuesdays at 7pm on KQED Plus for the CHM Presents Revolutionaries Series. In the series, some of the most distinguished thought leaders in the computing field share their views on technology and how it shapes our modern world.

Revolutionaries Series on KQED
Revolutionaries Series on YouTube