226. Amos Hostetter Jr.
$3.3 billion self-made score: & source: cable television age: 80 residence: boston m.b.a., harvard ’61 Hostetter competed in ice hockey, tennis and swimming during his time at Amherst, his undergraduate alma mater, and is still involved with the college. Since 1989, Hostetter has been an Amherst trustee, chairing its board between 1998 and 2005. Hostetter, the cofounder of Continental Cablevision, supports Bostonarea causes, donating to education, arts and environmental conservation through his Barr Foundation.