Dr. Rodger Alan Liddle, MD, is a gastroenterologist with a research focus on GI hormones. He first came to Duke in 1988 as chief of the GI section at the Durham VA Medical Center. During his time at Duke and the VA, Liddle maintained a focus on conducting and guiding laboratory research, while also serving as an administrator, instructor, and clinician. This collection contains 1 oral history interview conducted on February 24, 2021 by Joseph O'Connell as part of the Department of Medicine's Oral History Project. In the interview, Liddle discusses his research in measuring CCK (cholecystokinin, a gut hormone). "At that time there was no good assay for measlevels, his thoughts on connections between enteroendocrine cells and the nervous system, and conducting laboratory research during the COVID-19 pandemic. The themes of this interview includes gastroenterology, academic medical research, the social life of medicine, and medical training.