Above is a mural I saw, depicting the Challenger's crew that was lost with the spacecraft.


Certificate I received as an author of the invention of a digitally synchonized phase lock loop, US Pat 4055814, done when I worked for Pertec Computer Corporation in Chatsworth, CA, contributing key parts of the idea to the senior engineer Bob Abraham who was unusual in that he acknowledged my creative contribution by including me on the patent.

Copyright © 2008 James E. D. Cline. Permission granted to reproduce providing inclusion of a link back to this site and acknowledgment of the author and concept designer James E. D. Cline.