George Ludwig
Encyclopedia
George Döring Ludwig, M.D. (January 4, 1922 – November 24, 1973) was an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 professor
Professor
A professor is a scholarly teacher; the precise meaning of the term varies by country. Literally, professor derives from Latin as a "person who professes" being usually an expert in arts or sciences; a teacher of high rank...

 of medicine
Medicine
Medicine is the science and art of healing. It encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness....

 and medical researcher noted for developing the first application of ultrasound to the human body for medical purposes, at the Naval Medical Research Institute, Bethesda
Bethesda, Maryland
Bethesda is a census designated place in southern Montgomery County, Maryland, United States, just northwest of Washington, D.C. It takes its name from a local church, the Bethesda Meeting House , which in turn took its name from Jerusalem's Pool of Bethesda...

, Maryland
Maryland
Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...

, in the late 1940's. Dr, Ludwig's research was initially for detecting gallstones. He wrote the first paper in the United States., on diagnostic ultrasound for medical purposes based on his research. His work was considered classified by the Dept. of Defense until 1949 @ which time it was released to the public. He was the founding chairman of the Department of Medicine of the Medical College of Ohio.
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