In April 1942, he opened his own studio at 130 W. 42nd Street in Manhattan. In March 1944, the success of the Wonder Woman comics and newspaper strip led to the opening of the Marston Art Studio at 331 Madison Avenue at 43rd Street. The fourteenth floor studio, one floor above Marston's office, was run by office executive Marjorie Wilkes Huntley, who also contributed some inking and lettering.
He began his own studio at 130 W. 42nd Street in Manhattan in April 1942. The popularity of the Wonder Woman comics and newspaper strip led to the opening of the Marston Art Studio at 331 Madison Avenue at 43rd Street in March 1944. The fourteenth floor studio, located above Marston's office, was managed by office executive Marjorie Wilkes Huntley, who also made some contributions to the artwork.