 While serving as museum chair, Marcus was once called upon by Fred Florence, then chairman of a major local bank and a fellow Temple Emanu-El leader, to explain his inclusion of "a lot of Communist art" he'd been told would be included in an upcoming DMFA "Sports in Art" exhibit, co-sponsored by "Sports Illustrated" and United States Information Agency as a fund-raiser for the 1956 Olympic team.Artists represented in the show included four supposed Communist supporters, Leon Kroll, Yasuo Kuniyoshi, Ben Shahn, and William Zorach.Asking Florence to indicate which pieces were being questioned, Marcus dismissed each claim one by one