RT @GerontologyGrg: The historical photo of our founding director, the late Dr. L. Stephen Coles with supercentenarian Dr. Leila Denmark, M.D. (1898-2012) the legendary paediatrician who was responsible for the invention of the pertussis vaccine that saves millions of lives today. #inspirational

🐦🔗: https://n.respublicae.eu/MichalBoni/status/1621601024145235969