Complex sentence: Hansel Mieth (1909-1998) was a photojournalist who worked on the staff of LIFE Magazine, and was best known for her social commentary photography which recorded the lives of working class Americans in the 1930s and 1940s.
Split into simpler sentences: Hansel Mieth (1909-1998) was a photojournalist who worked on the staff of LIFE Magazine. She was best known for her social commentary photography which recorded the lives of working class Americans in the 1930s and 1940s.