Unknown Female Scientists Who Changed Your World Virginia Apgar was an American obstetrical anesthesiologist. She was a leader in the fields of anesthesiology and teratology, and introduced obstetrical considerations to the established field of neonatology. Next Pages: 1 2 3 4 5 6 7 8 9 Unknown Woman Scientists Who Changed Your World zanan daneshmand 2015-12-03 ash