context: He earned his master's degree in biology at Reed College and his PhD at Princeton University in 1943.
source: After college, McElroy became a professor at Johns Hopkins University.
reference_original: Depois da faculdade, McElroy tornou-se professor na Universidade de Johns Hopkins.
reference_flipped: Depois da faculdade, McElroy tornou-se professora na Universidade de Johns Hopkins.