Complex sentence: There she was Assistant Professor at Mount Holyoke College, a women's college in South Hadley, Massachusetts, was a year at Caltech and from 1943 Associate Professor at Sweet Briar College, Virginia.
Split into simpler sentences: There she was Assistant Professor at Mount Holyoke College, a women's college in South Hadley, Massachusetts, then spent a year at Caltech. From 1943, she was Associate Professor at Sweet Briar College, Virginia.