[Photograph of the DeSaussure sisters], ca. 1940; Mary DeSaussure Sobers collection, 2005.053; Brooklyn Historical Society.Mary DeSaussure Sobers made history by accident. One morning in late August, 1945, she and her twin sister Martha were sent to buy groceries and were distracted by a bus bringing kids to the nearby 13th Regiment Armory. The sisters peeked inside and were told that there was a track meet being held—and did they want to run? Martha was too overwhelmed to say yes, but Mary agreed, and convinced the…