Frank James Marshall (August 10, 1877 – November 9, 1944) was the U.S. Chess Champion from 1909 to 1936, and one of the world's strongest chess players in the early part of the 20th century. Wikipedia
Frank Wilton Marshall (born September 13, 1946) is an American film producer and director. He often collaborates with his wife, film producer Kathleen Kennedy, with whom he founded the production company Amblin Entertainment, along with Steven Spielberg. In 1991, he founded, with Kennedy, The Kennedy/Marshall Company, a film production company. Since May 2012, with Kennedy taking on the role of President of Lucasfilm, Marshall has been Kennedy/Marshall's sole principal. Wikipedia
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