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Jack Elrod (March 29, 1924 – February 16, 2016) was an American cartoonist best known for the comic strip Mark Trail. The creator of Mark Trail, Ed Dodd, began the strip in 1946. Elrod began working on the strip as an artist in 1950, then in 1978 when Dodd's eyesight failed he turned the strip over to Jack Elrod, who continued to draw it under both their names.