1926 - Jonathan Harris worked as a box boy in a pharmacy at age 12 and later earned his pharmacy degree at Fordham University.
1938 - Married to Gertrude Bregman.
1942 - After performing in over 100 plays in stock companies nationwide, he made his Broadway bow with "Heart of a City" and entertained WWII troops in the South Pacific.
1948 - His introduction to live television drama.
1953 - He ventured off to Hollywood and made his film debut, co-starring with Alan Ladd and James Mason in Botany Bay.
1965 - He starred in television series "Lost in Space" as Dr. Zachary Smith.
2002 - Died on November 3rd in Encino, California.