“My mother used to tell me, ‘You’ll catch more flies with sugar than with salt,’” says A.W. Karchmer, MD ’64, a longtime professor of medicine at Harvard Medical School who has forged a renowned career as an infectious disease clinician.

“My mother used to tell me, ‘You’ll catch more flies with sugar than with salt,’” says A.W. Karchmer, MD ’64, a longtime professor of medicine at Harvard Medical School who has forged a renowned career as an infectious disease clinician.