Had he escaped from a mental institution to teach maths.
Because we all know that mathematics is a field only understood by those who cross the border between the realms of sanity and madness.
(
Jeru War and Piss,
Wed 2 Jul 2008, 2:09,
archived)
yes
he was a bit dodgy to be honest, but then, many were at [removed for legal reasons]
(
discomeats This canoe,
Wed 2 Jul 2008, 2:23,
archived)