I'm sure
you all read Slashdot, but just in case not: "Knuth Plans
'Earthshaking Announcement'"
http://news.slashdot.org/story/10/06/29/2233219/Knuth-Plans-Earthshaking-An…
Buried in there is this little amusement:
http://www.codethinked.com/post/2007/12/06/The-Programmer-Dress-Code.aspx
I think we can consider it on-topic in light of the history of the people mentioned.
To that list of bearded computer/history heroes, I nominate Digibarn's
Bruce Damer!