Gene Warren, Sr. won an Academy Award for the special effects on George Pal's The Time Machine in 1960. He also contributed to such projects as Land of the Lost, Man from Atlantis, and The Crow: City of Angels. He operated several visual effects companies in Hollywood over the years: Excelsior Productions and Centaur Productions; the latter teaming with fellow effects artist Wah Ming Chang. Gene died on 17 July 1997, in Los Angeles, from cancer.
His son, Gene Warren, Jr., owns Fantasy II Film Effects and won an Academy Award for visual effects on Terminator 2: Judgment Day.