Margaret Merrell (December 3, 1900[1] – 21, 1995)[2] was an American biostatistician who taught at Johns Hopkins University for many years[3] and became the first female full professor in the Johns Hopkins School of Public Health.
[9] She joined Johns Hopkins as an instructor and graduate student in 1925, and completed her Sc.D.
[10] After completing her doctorate, Merrell remained on the Johns Hopkins faculty.
[3] During World War II, she consulted with the U.S. Army on treatments for sexually transmitted diseases and for motion sickness.
[3] She was promoted to full professor in 1957,[4] served as acting chair of biostatistics in 1957–1958, and retired in 1959.