While in Vienna Max Pollak became involved in the avant-garde dance scene. He did a series of intaglio portraits of dancers, usually costumed and posed, from one of their noted performances. Regarding modern dance he is sometimes credited with being "the first etcher to turn his attention to the dance as a subject."
According to an obituary in the New York Times, Sarah Osnath-Halevy was a professional actress, singer, dancer and mime who came to the U.S. in the mid 1930s under the direction of Sol Hurok, a Russian impresario who managed Eastern European and Israeli artists throughout the U.S.
Osnath-Halevy performed one-woman shows worldwide, featuring songs and dances of the Near East, interpreting Hebrew Yemenite, Persian, Arabic, Sephardic, Russian and Yiddish songs and dances.
She had the role of Rachel in Max Reinhardt's Broadway production of “The Eternal Road.” Her retired years were spent on the administrative staff of Art D'Lugoff at the Village Gate. She died in October of 1975.