| Richard Bradley Sack | |
| Birth Date: | 25 October 1935 |
| Birth Place: | Le Sueur, Minnesota |
| Death Place: | Lutherville, Maryland |
| Alma Mater: | University of Oregon School of Medicine |
| Known For: | cholera research |
| Spouse: | Jo Nystrom |
Richard Bradley Sack (October 25, 1935 – April 24, 2017) was an American physician and researcher noted for his contributions to the treatment of cholera.[1]
Sack was born in Le Sueur, Minnesota to Wilma Mary (Hyink) and Rev. Nobel V. Sack. He grew up in Iowa and graduated from Lewis & Clark College. He then attended the University of Oregon School of Medicine, where he graduated in 1960.
Sack did his residency at the University of Washington, followed by a fellowship with the Johns Hopkins Bloomberg School of Public Health. Sack joined the Johns Hopkins faculty in 1962. Sack's lab first identified Enterotoxigenic Escherichia coli, a bacterium that is a major cause of diarrhea. He established two research centers funded by the NIH, one in Lima, Peru and one in the White Mountain Apache Reservation in Whiteriver, Arizona. He co-authored over 350 peer-reviewed publications.[2]
He was the brother of Robert L. Sack.