Shirley Ann Jackson, MIT, 1973 (left); and Shirley Ann Jackson, undated (right)

Shirley Ann Jackson, MIT, 1973 (left); and Shirley Ann Jackson, undated (right)

Shirley Ann Jackson, MIT, 1973 (left); and Shirley Ann Jackson, undated (right)

Shirley Ann Jackson, MIT, 1973 (left); and Shirley Ann Jackson, undated (right)