| 1868Lancaster County, Pennsylvania|Alfred Stengel Wikipedia
Professor Alfred Stengel (1868–1939) was an American surgeon, born in Lancaster County, Pennsylvania. He was President of the American College of Physicians and Clinical Professor of Medicine at Women's Medical College of Pennsylvania.
Stengel was born in Pittsburgh, the son of Gottfried Stengel, in 1868. In 1889, whilst studying he and a group of students commissioned Thomas Eakins to paint The Agnew Clinic. Stengel can be found in the center of the portrait.