Bob Gries not only believes in tradition, he lives it. During his 70s, he has averaged three hours of daily exercise, such as biking, hiking and weight lifting.

His day begins with an hour or two of exercise before he goes to his office where the retired venture capitalist spends most of his time on philanthropy and civic involvement. Late afternoon or evening then provides time for a second workout.

This 79-year-old has completed 75 worldwide adventures including a one-week running event in the Sahara desert, a 1,000 mile bike ride across the Gobi desert and climbs of the highest mountains in Antarctica, the Arctic and the Andes.

For the full story, download the printable version of Legacy Magazine's Summer 2008 issue.