Come and Knock on My Door

Frat Guy of the Week: John Ritter

John Ritter, of classic TV's "Three's Company," was a brother of Phi Gamma Delta during his time at the University of Southern California. While at USC, Ritter majored in psychology with a minor in architecture.

Ritter went on to make quite a name for himself in Hollywood, starring in the classic 1990s "Problem Child" series and tons of other movies. Sadly, Ritter passed away young in 2003 at the age of 55.