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William H. Welch after his appointment at Johns Hopkins, 1884

Courtesy of the Alan Mason Chesney Archives of The Johns Hopkins Medical Institutions

In early March of 1884, William Welch was interviewed by Daniel Gilman, President of The Johns Hopkins University, and offered the professorship of pathology. The offer included another year of travel and study in Europe and funding to set up a pathological laboratory at Johns Hopkins.

While in Europe, Welch studied the organization and instrumentation of the most renowned laboratories, including those of Koch, Bollinger, Kitt, von Pettenkofer, von Ziemssen, Weigert, Ludwig, Flugge, and Pasteur. There he collected cultures to take to Johns Hopkins and also purchased laboratory instruments and equipment.


William H. Welch, Johns Hopkins University