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: Закончив колледж, Макэлрой стал профессором в Университете Джона Хопкинса.
reference_flipped: Закончив колледж, Макэлрой стала профессором в Университете Джона Хопкинса.