Jeff 'Skunk' Baxter of Steely Dan and the Doobie Brothers has worked for NASA or the NSA on missile defense systems or something like that.
"Some person worked for some agency on something, or something"? Thanks for the well-researched comment.
Tom Sholz, guitarist from Boston -- MS in Engineering from MIT. Guitar Hero and Nerd. The only one in captivity?
I've done a lot of work for Dexter Holland in the past (and a little for Bad Religion but I never met Graffin) and I can vouch for him being a seriously smart guy.
Accomplished pilot, small business owner and inventor (several patents on LBS stuff from early 90s).
Dexter Holland from Offspring (molecular biology, but dropped out with a masters)
Greg Gaffin from Bad Religion (zoology, 2007)
Brian May from Queen (astrophysics)
James Lilja from Offspring (medical degree, not PhD)
Sterling Morrison from the Velvet Underground (medieval literature, 80s)