Salome Gluecksohn-Waelsch was a German-born U.S. geneticist and co-founder of the field of developmental genetics, which investigates the genetic mechanisms of development. Born in Danzig, Germany, on October 6, 1907, to Ilyia and Nadia Gluecksohn. Salome Gluecksohn-Waelsch, a geneticist who had fled Nazi Germany to pursue her studies and whose subsequent research in New York shed light on fundamental questions of development in mammals. In 1993, Dr. Waelsch was awarded the National Medal of Science for her work in developmental genetics. She died on November 7, 2007 in New York City, New York, United States.