Ivo Lupis (14/19)
Ivo Lupis, 84, has been working as a personal trainer on 57th St since 1967. His recently client age spans from ages 4-93, though he now mostly works with seniors. Pictured, Lenore Harris, 62, who has trained with Lupis for more than 15 years.
Danny Ghitis for The New York Times
Copyright Danny Ghitis