Jan Groover (April 24, 1943-January 1, 2012) was an American photographer whose primary focus was the still life. Trained as an abstract painter in the 1960s, Groover turned to photography in the early 1970s.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Jan_Groover

Untitled (Kitchen Still Life) #4 by Jan Groover / c.1978 / Polaroid print / Image: 24″x20-1/2″
Various collections, incl. The Nelson-Atkins Museum of Art, Kansas City, MO
Jan Groover on Artnet: http://www.artnet.com/artists/jan-groover/
Further reading:
https://www.moma.org/artists/2358
https://artpil.com/news/jan-groover-at-gak/
https://www.ccp.sa.edu.au/news-features/2020/4/21/weekly-inspiration-jan-groover



Würfelbecher (Dice Cup) by Aenne Biermann
Jolanda by Irena Blühová
Self Portrait by Thora Hallager
Portrait of Johannes Brahms by Bertha Wehnert-Beckmann
Physicist Patrick Blackett by Lucia Moholy
Untitled by Marsha Burns