Louis Virgil Hamman, M.D. (December 20, 1877 – April 28, 1946) was recognized as one of the great clinicians in his time.

He was graduated M.D. from Johns Hopkins

Johns Hopkins University

The Johns Hopkins University, commonly referred to as Johns Hopkins, JHU, or simply Hopkins, is a private research university based in Baltimore, Maryland, United States...

 and after interning at New York Hospital

New York Hospital

New York Hospital or “Old New York Hospital” or “City Hospital” was the oldest hospital in New York City and the second oldest hospital in the United States.-Early History:...

 he returned in 1903 to his alma mater to become head of the new Phipps Tuberculosis Clinic.

He said: "The physician, consciously or otherwise, depends for success in his practice on his abilities as a psychiatrist."

Conditions which carry his name: Hamman's sign

Hamman's sign

Hamman's sign is a crunching, rasping sound, synchronous with the heartbeat, heard over the precordium in spontaneous mediastinal emphysema produced by the heart beating against air-filled tissues....

, Hamman's syndrome

Hamman's syndrome

Hamman's syndrome is a syndrome of spontaneous subcutaneous emphysema and pneumomediastinum , sometimes associated with pain....

 and Hamman-Rich syndrome

Hamman-Rich syndrome

Acute interstitial pneumonitis is a rare, severe lung disease which usually affects otherwise healthy individuals.As of 2010, there is no known cause or treatment....

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