4. Alexa Canady

Alexa Canady [Image from Wikipedia]
Canady received her bachelor degree in zoology from the University of Michigan in 1971, according to a Wikipedia article about her. She received her MD in 1975 from the University of Michigan Medical School. Canady became a surgical intern at the Yale-New Haven Hospital from 1975 to 1976. She later went on to become the first female African-American neurosurgery resident in the U.S. at the University of Minnesota.
Her specialties include congenital spinal abnormalities, hydrocephalus, trauma and brain tumors.