Sonya Noskowiak (November 25, 1900-April 28, 1975) was a 20th-century German-American photographer and member of the San Francisco photography collective Group f/64.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Sonya_Noskowiak

Arthur Noskowiak by Sonya Noskowiak
1931 / Gelatin silver print / 9-5/8”x7-1/4” / The Nelson-Atkins Museum of Art, Kansas City, MO

Sonya Noskowiak on Artnet: http://www.artnet.com/artists/sonya-noskowiak/

Further reading:
https://www.kqed.org/arts/10406015/sonya-noskowiak-a-groundbreaking-but-forgotten-photographer
http://ccp-emuseum.catnet.arizona.edu/view/people/asitem/items@:1692
https://photographyandvision.com/2018/06/18/mondays-photography-inspiration-sonya-noskowiak/