NNDB site has list of famous vegetarian,
NNDB is very interesting site. It has 15,000 profiles and you can browse from person's CV to the group where the person belong (a groups are created on the basis of either some characteristic related to behavior, orientation, habit, ideology etc.) Those people who have never heard about NNDB database, the site defines itself as,
"NNDB is an intelligence aggregator that tracks the activities of people we have determined to be noteworthy, both living and dead. Superficially, it seems much like a "Who's Who" where a noted person's curriculum vitae is available (the usual information such as date of birth, a biography, and other essential facts.)
But it mostly exists to document the connections between people, many of which are not always obvious. A person's otherwise inexplicable behavior is often understood by examining the crowd that person has been hanging out with."more is coming....