Sonia Serova was a choreographer and dancer, born in 1888, who died in 1943.
Biography
Sonia Serova (April 15, 1888 – May 9, 1943), born Eileen Mary Swepstone, was a British-born American modern dancer, also known as Eileen West and Eileen Kiefer. She taught dance in New York City, and published several dance education manuals, including three manuals for the dance education of very young children.
From the Wikipedia article “Sonia Serova”, licensed under CC BY-SA 4.0.
Facts from Wikidata (Q117327894), CC0.