High-res
Sisters-in-law Sadie T.M. Alexander and Virginia Margaret Alexander behind Houston Hall, University of Pennsylvania, ca. 1920
From Sadie’s Wikipedia: Sadie Tanner Mossell Alexander, was the first African-American woman to receive a Ph.D. in economics in the United States, and the first woman to receive a law degree from the University of Pennsylvania Law School.
From Virginia’s Wikipedia page: Virginia M. Alexander (1900-1949) was an American physician and founder of the Aspiranto Health Home in Philadelphia, Pennsylvania.