George Ludwig

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Dr. George Döring Ludwig
Born January 4, 1922
 Johnstown, Pennsylvania
Died November 24, 1973 (1973-11-25) (aged 51)
Occupation Professor & Chairman of Medicine, Medical Researcher
Spouse(s) Rosemary Lynch Ludwig (deceased September 3, 1963 age 39)

George Döring Ludwig, M.D. (January 4, 1922 – November 24, 1973) was an American professor of medicine 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, Maryland, in the late 1940s. 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 at which time it was released to the public. He was the founding chairman of the Department of Medicine of the Medical College of Ohio.