Halbert L. Dunn, M.D. (1896–1975) was the leading figure in establishing a national vital statistics system in the United States and is known as the "father of the wellness movement".Born in New Paris, Ohio, he attended the University of Minnesota where he earned his M.D. in 1922 and his Ph.D. in 1923. He served as an assistant in medicine at Presbyterian Hospital of New York City 1923-1924 and as fellow in medicine at the Mayo Clinic in Rochester, Minnesota (1924–1925).In 1929, he was the first biostatistician hired by the Mayo Clinic and established its computer coding system for deriving medical statistics. He was Chief of the National Office of Vital Statistics from 1935 through 1960, first as part of the Bureau of the Census and later under the Department of Health, Education and Welfare, where it eventually became the National Center for Health Statistics in 1960. In his final year with the U.S. Public Health Service he was Assistant Surgeon General for aging. Wikipedia
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