Sanders T. Frank (May 11, 1938 – September 14, 1997) was an American pulmonologist known for describing the Frank sign. He was born in Middletown, Connecticut and qualified from New York Medical College. He worked as director of respiratory medicine and associate clinical professor of medicine at the Garfield Medical Center, Monterey Park, California.Barry G. Firkin, Judith A. Whitworth. Dictionary of Medical Eponyms, second edition, page 131. Parthenon Publishing Group 1996. .

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