“His only drug is exercise,” Gold says. “Obviously, the fact that Jack’s not overweight is helpful, but he’s always exercised and kept in stellar shape.
“I remember when he was 94 and his telling me about buying a new bike because his old one had worn out from his cycling three, four hours a day. He is such an eternal optimist, and I think that’s been one of the keys to his longevity.”
Thacker insists he’s never been a fitness fanatic.
“I’m strictly a recreational cyclist,” he says. “I’ve never been one of those guys who gets on a bike and sees how fast I can go.
“I just trudge along at my own leisurely pace. But I’ve been doing it almost all my life.”