Dr. Nathan B. Epstein, founding chairman of the McMaster University Department of Psychiatry is pictured at the 50th Reunion of the department in Hamilton, Ontario, June 2-3, 2017. Dr. Epstein is surrounded by three of the psychiatrists he mentored at McMaster: (L to R) Dodie Bienenstock, Nate Epstein, Reid Finlayson and Duane Bishop. Photo received from Reid Finlayson.