Sadie Tanner Mossell Alexander was the first Black woman to earn a Ph.D. in economics in the United States when she received the degree from Penn in 1921 (Photo from University Archives & Records).
Sadie Tanner Mossell Alexander was the first Black woman to earn a Ph.D. in economics in the United States when she received the degree from Penn in 1921 (Photo from University Archives & Records).