I, being female, cannot have a mancrush, but my SO has a pretty heavy mancrush for one man in particular.
Don Pettit graduated from our university with a B.S. in chemical engineering, received his Ph.D in chemical engineering from the University of Arizona, and went on to become a staff scientist at Los Alamos before becoming an astronaut.
Astronaut Bio: Don Pettit (12/2008)
He's an all-around talented guy: he invented a coffee cup that works in zero-g (
SPACE.com -- Astronaut Invents Zero-G Coffee Cup) and he wrote a lovely poem for the Class of 2010's Commencement Address (
Pettit uses verse to address OSU graduates)
