Gary Owens (born Gary Altman in Mitchell, South Dakota) 
(May 10, 1934 – February 12, 2015)

Owens died from complications due to type 1 diabetes, a condition he
had experienced since childhood.

Jack Paar walked off while live on the air on the "Tonight Show" with four
minutes left. He did this in response to censors cutting out a joke from the
show the night before.

 
James Francis "Jimmy" Durante (February 10, 1893 – January 29, 1980)

Durante was a vaudeville comedian, pianist, and actor who was one of
America’s most popular personalities from the 1920s through the 1970s,
well known for his big nose and his composition of the song "Inka Dinka
Doo." He left school in the eight grade to become a ragtime pianist and
joined the Original New Orleans Jazz Band, which later became known
as Jimmy Durante’s Jazz Band. He later became a vaudeville star and
radio personality as a part of the trio, Clayton, Jackson and Durante.

W.C. Fields with his father, W.C. Fields, Jr., 1907.

W.C. Fields (born William Claude Dukenfield in Darby, Pennsylvania)  

(January 29, 1880 – December 25, 1946)

Before fame, Fields made a living as a pool player and juggler as a teenager.

                
                   1940

Ross Simpson

John Belushi, senior year in High School                                              

John Adam Belushi (January 24, 1949 – March 5, 1982)