A new centenarian this year who appears to have gone under the DL radar, tennis player Bill Sidwell turned 100 in April 2020. He attributes his longevity to eating lots of veg, and presumably playing lots of tennis as he was still playing into his 90s.
As a 2 time Wimbledon mens finalist before most of us was born, and a US Open winner, he'll get a QO as and when he goes.