David Nathan, professor at Harvard Medical School and President Emeritus of the Dana-Farber Cancer Institute, is a renowned hematologist with contributions to the clinical treatments of β-thalassemia, sickle cell disease, and chronic granulomatous disease. Nathan also contributed to the development of the first prenatal test for hematological disorders. He’s known as the consummate clinical investigator, mentor, and a great wit. In the interview, you can hear his stories about tedious Victorian poets, success in mentoring trainees, and aspiring to write like Atul Gawande.