en.wikipedia.org:
Wikipedia, the free encyclopedia that Bob has been known to contribute
to from time to time. However, there is no way to identify which
parts he wrote;
fr.wikipedia.org:
Wikipedia, but in French (which Bob speaks fluently);
Clough's
Conjecture (PDF file, get the free Adobe Acrobat Reader here):
Bob's contribution to euclidean geometry. Seems to be very high
powered mathematics. Have a look to see a different side of Bob.