Uploaded October 2022 | Updated September 2026, 2 weeks ago

---

Engel, Valent, Kilian, Clark, and Kalwani discuss repair processes for the Cray 1A.
On January 7, 2022, a group of Cray historians requested
a virtual visit of the NWSC as they learned of the Cray 1-A SN3 recently moving from the NCAR Mesa Lab in Boulder, CO to the NCAR Wyoming Supercomputing Center (NWSC) in Cheyenne, WY.

Each participant had a unique experience in working with the Cray over its history.

From NCAR, the following participated in the conversation: Gary New, Tom Engel, Dick Valent, and Summer Wasson.

Historians who joined included:
Clive England, ExCrayon, Cray-history.net
Charlie Clark, ExCrayon UK & USA, now retired
Ken Taylor, ExCrayon UK, Former service engineer
David Laufer, Computer Museum of America in Roswell
Stuart Mitchell , ExCrayon UK , now at ECMWF
Alan Kilian, ExCrayon, USA Sales
Sharan Kalwani, ExCrayon, Former UK Cray Analyst
Alistair Mills, ExCrayon UK, Software expert and co-host of Cray-history.net
Nick Jacobs, ExCrayon UK, Former UK Cray Analyst