Professor Alfred Stengel (1868–1939) was an American surgeon

Surgery

Surgery is an ancient medical specialty that uses operative manual and instrumental techniques on a patient to investigate and/or treat a pathological condition such as disease or injury, or to help improve bodily function or appearance.An act of performing surgery may be called a surgical...

, born in Lancaster County, Pennsylvania

Lancaster County, Pennsylvania

Lancaster County, known as the Garden Spot of America or Pennsylvania Dutch Country, is a county located in the southeastern part of the Commonwealth of Pennsylvania, in the United States. As of 2010 the population was 519,445. Lancaster County forms the Lancaster Metropolitan Statistical Area, the...

. He was President of the American College of Physicians

American College of Physicians

The American College of Physicians is a national organization of doctors of internal medicine —physicians who specialize in the prevention, detection, and treatment of illnesses in adults. With 130,000 members, ACP is the largest medical-specialty organization and second-largest physician group in...

 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

Thomas Eakins

Thomas Cowperthwait Eakins was an American realist painter, photographer, sculptor, and fine arts educator...

 to paint The Agnew Clinic

The Agnew Clinic

The Agnew Clinic, or, The Clinic of Dr. Agnew, is an 1889 oil painting by American artist Thomas Eakins, Goodrich #235. It was commissioned to honor anatomist and surgeon David Hayes Agnew, on his retirement from teaching at the University of Pennsylvania.-Background:The Agnew Clinic depicts Dr....

. Stengel can be found in the center of the portrait.