Henry T. Lynch
| Henry T. Lynch | |
|---|---|
| Born |
January 4, 1928 Lawrence, Massachusetts, USA |
| Nationality | American |
| Alma mater | |
| Occupation | Physician |
| Known for | Discovery of genetic causes of cancer |
Henry T. Lynch (born January 4, 1928) is an American physician noted for his discovery of familial susceptibility to certain kinds of cancer and his research into genetic links to cancer. He is sometimes described as "the father of hereditary cancer detection and prevention" or the "father of cancer genetics", although Lynch himself said that title should go to the early 20th century pathologist Aldred Scott Warthin. Lynch is the chairman of preventive medicine at Creighton University School of Medicine in Omaha, Nebraska and holds the Charles F. and Mary C. Heider Endowed Chair in Cancer Research.
Lynch was born in Lawrence, Massachusetts and grew up in New York City. He dropped out of high school at 14 and joined the U. S. Navy at age 16, using false identification to disguise his age. He served as a gunner during World War II. After his discharge in 1946 he became a professional boxer under the nickname "Hammerin' Hank". After obtaining a high school equivalency, he received a bachelor's degree from the University of Oklahoma in 1951 and a master's degree in clinical psychology from the University of Denver in 1952. He studied for a Ph.D. in human genetics from the University of Texas at Austin and received an M.D. from the University of Texas Medical Branch in Galveston in 1960. He interned at St. Mary's Hospital in Evansville, Indiana and completed a residency in internal medicine at the University of Nebraska College of Medicine.
He served as an assistant professor at the University of Texas MD Anderson Cancer Center, then joined the faculty at Creighton University in 1967. Noting that some cancer patients had relatives and ancestors with the same type of cancer, Lynch postulated that cancer could be hereditary. He began to focus his research on that possibility, although it was considered unlikely by the medical establishment of the time, which was focused on environmental causes of cancer; in fact the American Cancer Society frequently stated that cancer was not hereditary. In 1970 he applied for a research grant from the National Institutes of Health, citing a family in which numerous members had colon cancer, but the grant application was rejected, as were most of his other grant applications over the following 20 years. He persisted, compiling data and statistics that demonstrated patterns of "cancer syndromes" through multiple generations of families. He defined the necessary criteria for a genetic cancer: early age of onset of the disease, specific pattern of multiple primary cancers, and Mendelian patterns of inheritance in hundreds of extended families worldwide. His theory of genetically based cancers was eventually accepted. His best-known example, hereditary nonpolyposis colorectal cancer, is the most common form of hereditary colorectal cancer and is generally known as Lynch syndrome. He demonstrated the Mendelian inheritance pattern for certain breast and ovarian cancers, which laid the groundwork for the identification of specific genes responsible for these familial cancers, such as BRCA1 and BRCA2.
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