sentences:  In order to gain recognition, many female artists struggled to "de-gender" their work in order to compete in a dominantly male art world.If a work did not "look" like it was made by a woman, then the stigma associated with women would not cling to the work itself, thus giving the work its own integrity.In 1963 Yayoi Kusama created "Oven-Pan" – part of a larger collection of works she referred to as the "aggregation sculptures".