Where did Lithuanian American filmmaker Mekas first show the flim Eat in 1954?
Eat (film):  The film was first shown by Jonas Mekas on July 16, 1964 at the Washington Square Gallery at 530 West Broadway. Jonas Mekas: Jonas Mekas (] ; born December 24, 1922) is a Lithuanian American filmmaker, poet and artist who has often been called "the godfather of American avant-garde cinema."
Washington Square Gallery