Well into his sixties, Gilbert followed a strict regimen to maintain his vigor, running a mile every morning, then working out in a basement gym with Indian clubs and a punching bag before arriving at his factory no later than 7:30.

FORBES: Global Life

Well into his 60s the senior Gilbert followed a strict regimen to maintain his vigor, running a mile every morning, then working out in a basement gym with Indian clubs and a punching bag before arriving at his factory no later than 7:30 a.m.

FORBES: Magazine Article