About Us

The IT History Society is a 501(c)3 not-for-profit organization dedicated to the preservation of knowledge about the people, products, and companies that together comprise the field of computing.

Since 1978 our organization, and its hundreds of members, have worked toward this goal, and we invite you to contribute your own knowledge and memories on this website! (read more)

The Turing Centenary - In Review

As 2012 closes, so does the Turing Centenary Year . The hundredth anniversary of Alan Turing's birth prompted many events, conferences and talks dedicated to Turing. A large list of such events was compiled by the Turing Centenary website. I had the privilege to participate in two such events. One was a special session on the history of computing as...

CHM Event Commemorating the 25th anniversary of Sun Micro's SPARC Microprocessor

On November 1, 2012, a panel of Sun Micro luminaries discussed how the company "bet the ranch" on the SPARC microprocessor at an early and critical stage of the company's development. The panel was expertly moderated by my Northeastern University MSEE classmate Dave House. CHM CEO/Prez John Hollar did a great job introducing and closing the program. The motivation to...

The WITCH is Back: 61 year old computer lives again!

After a three-year restoration project at The National Museum of Computing, the Harwell Dekatron (aka WITCH) computer was rebooted on 20 November 2012 to become the world's oldest original working digital computer. Now in its seventh decade and in its fifth home, the computer with its flashing lights and clattering printers and readers provides an awe-inspiring display for visiting school...

Doomsday Scenarios-Big Science Discussion @ Computer History Museum (CHM) in Mt View, CA on October 27, 2012

Several very provocative doomsday scenarios were discussed, but then refuted by subject matter experts called up to the stage to engage in conversation with the program hosts. For each scenario top scientists were called on stage to discuss and refute several spectacular predictions about the end of the world as well as scientific theories about how it might end. This...

Shockley Semiconductor Reunion at CHM + Brief History of Shockley, Fairchild Semiconductor & Intel

A handful of former Shockley Semiconductor Labs employees recently got together at the Computer History Museum in Mt View, CA to tour a semiconductor exhibit on silicon. http://www.computerhistory.org/semiconductor/timeline/1956-Silicon.html 1. Here's the reunion story from today's San Jose Mercury: http://www.siliconvalley.com/mike-cassidy/ci_21854588/cassidy-shockley-semiconductor-alumni-remember-where-silicon-valley 2. Oral history is at: http://www.computerhistory.org/collections/accession/102658033 3. And how Shockley Labs gave birth to the semiconductor industry in Santa Clara Valley...

Microsoft's Chief Research Officer Rick Rashid in Conversation with NYT's John Markoff @CHM

On October 16th, Rick Rashid, Microsoft Research's first employee and now its Chief Research Officer, engaged in a spirited conversation with NY Times science & technology journalist John Markoff at the Computer History (CHM) museum in Mt View, CA. The discussion was part of the museum’s “Revolutionaries” series, which is not to be confused with the "Revolutions exhibit." The former...

Exciting New Happenings at Computer History Museum: Blog, Social Media, Digital Repository, Exhibits & Events!

1. The venerable Computer History Museum (CHM) in Mt View, CA recently launched a multimedia blog, with contributors from their seasoned staff of curators and subject matter experts. CHM Prez John Holla r told me, "This has been one of the most important initiatives CHM has taken in the area of digital content and distribution. It is and will continue...

Ken Segall at CHM: The Obsession That Drives Apple's Success

A Sell Out/SRO crowd of over 400 people attended an outstanding Computer History Museum (CHM) talk by Ken Segall, author of the book, Insanely Simple: The Obsession That Drives Apple's Success . Mr. Segall was interviewed by Harry McCracken of Time magazine about his his experiences with Steve Jobs and other executivess at Apple. Mr. Segal named the iMAC personal...

The future of computers ain't what it used to be

Back in a previous century — when I was a doctoral student and aspiring academic — I met some interesting researchers who were then trying to contradict (or at least temper) some of the wild claims made about the first mover advantage. Anyone knows the computer industry knows that IBM didn’t invent the mainframe, Sun the workstation or Apple† the...

It's a trap!

I listened to a radio program on the subject of trap streets. Fictitious streets, towns and other pieces of geography added to a map made copying detectable, since if the other map had been independently created it could not contain these inventions, a trap. This phenomenon has come into sharp relief because of the rise of computer map systems, either...

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