July 3 SF and Fantasy Events

Births

George Sanders was born on July 3, 1906, in St. Petersburg, Russia and died by suicide on April 25, 1972.

He is more famous for his detective movies (The Saint, The Falcon) than anything else, but he was in a bit of science fiction:

Movies
Doomwatch (1972) - The Admiral
Village of the Damned (1960) - Gordon Zellaby
From the Earth to the Moon (1958) - Stuyvesant Nicholl
The Ghost and Mrs. Muir (1947) - Miles Fairley (fantasy)
The Picture of Dorian Gray (1945) - Lord Henry Wotton (fantasy)

TV
1) Mr. Freeze in Batman, "Instant Freeze " and "Rats Like Cheese" (1966)
2) Fenton in Voyage to the Bottom of the Sea, "The Traitor" (1965)

Deaths

Ross Martin
Born in Poland on March 22, 1920, in Grodek, Poland, died on July 3, 1981, in Ramona, California of a heart attack.
Most famous as Artemus West in Wild, Wild West.

Guest-starred in various sf shows including Mork and Mindy, The Invisible Man,
Sealab 2020 (1972) TV series (voice of Dr. Paul Williams ), two eps of The TWilight Zone: Death Ship (1963)as Lt. Ted Mason, and The Four of Us Are Dying (1960) as Johnny Foster, a musician.
Johnny Jupiter played Dexter Spiegelmacher in one episode in 1953: Duckweather and the Professor

Movies
The Colossus of New York (1958) as Dr. Jeremy 'Jerry' Spensser
Conquest of Space (1955) as Andre Fodor