Dr. Marvin Slepian, Chairman of the Science Advisory Board, MicroMed Cardiovascular

Yikes. He's been doing some extremely dangerous toothpaste experiments and bravely testing the innovative resulting pastes out on himself. It's a shame, as he's got very good hair.

NOTE TO READERS: We are no 'oil paintings' either and are not really in any position to pass comment when it comes to teeth wonkiness - and our 'ivory tower' is also stained yellow from years of tea abuse - but you'd think a man of his age would've learned to keep his mouth shut in photographs to avoid showing off his manky gob.