Biography: Sally Gross (née Sarah Freiberg; August 3, 1933 – July 20, 2015) was an American postmodernist dancer. Freiberg was born in the Lower East Side, a dancer, choreographer and teacher of dance from her beginnings in the avant-garde NYC art world in the 1950s until her death. Later known as Sally Gross, she was a notable participant of the avant-garde dance group called the Judson Dance Theater during the 1960s. Gross died in Sag Harbor, New York on July 20, 2015, aged 81, from ovarian cancer.