I'd very much like the two gentlemen to sit down and write a memoir about their mainframe days. The older technologies are particularly fascinating. It doesn't have to be a book, but if it is then they can crowd fund.
https://storycorps.org/about/ is the formalized version of that, as well as archiving the stories in the Library of Congress. They air every Friday morning on my local NPR station, and the stories they air are very, very diverse so I'm of the impression they'll take anything they can get in the vein of preserving first-hand accounts of "the way it was"