Robert Lewis was an American actor, director, drama teacher, author and founder of the influential Actors Studio in New York in 1947. In addition to his accomplishments on Broadway and in Hollywood, Lewis' greatest and longest lasting contribution to American theater may be the role he played as one of the foremost acting and directing teachers of his day. Wikipedia
The definitive Wikipedia entry for Robert Lewis. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Robert_Lewis