Skip to main content Skip to Search Box
Summary Article: Welch, William Henry
from The Columbia Encyclopedia

1850–1934, American pathologist, b. Norfolk, Conn., grad. Yale (B.A., 1870), M.D. College of Physicians and Surgeons (now part of Columbia Univ., 1875). After studying abroad he taught (1879–84) at Bellevue Hospital Medical College, introducing laboratory methods of instruction. He was associated with Johns Hopkins, as professor of pathology (1884–1916), dean of the medical faculty (1893–98), director of the school of hygiene (1916–26), and professor of the history of medicine (1926–30). He was chairman of the board of the Rockefeller Institute for Medical Research (now Rockefeller Univ.) from 1901. His research includes studies of the Welch bacillus of gas gangrene and of embolism, thrombosis, and diphtheria.

  • See biographies by S. Flexner and J. T. Flexner (1941, repr. 1966) and D. Fleming (1954, repr. 1972).
The Columbia Encyclopedia, © Columbia University Press 2017

Related Articles


Full text Article Medicine
Encyclopedia of American Studies

Few medical men or women living in seventeenth-century America had earned a university degree or received formal training. Most practitioners were m

Full text Article Education and Training: Learned and Nonlearned
Health and Wellness in Daily Life: Health and Wellness in 19th-Century America

An extraordinary variety of healers practiced among the white, black, and Native American peoples of the nineteenth-century United States. Herbalist

Full text Article Blackwell, Elizabeth (1821-1910)
The Hutchinson Dictionary of Scientific Biography

Place: United States of America, England, United Kingdom Subject: biography, physics English-born US physician who became, in 1849, the first woman

See more from Credo