David Glendenning Cogan (14 February 1908, in Fall River, Massachusetts – 9 September 1993, in Wayne, Michigan) was an American ophthalmologist.
[2] He spent a year at the University of Chicago Clinics as an intern, then served a two-year residency at the Massachusetts Eye and Ear Infirmary in Boston.
He spent 1937 in medical study in Switzerland, Germany and Holland on Harvard's Moseley Travelling Fellowship.
[4] Cogan was part of the Atomic Bomb Casualty Commission that reported on radiation-induced cataracts suffered by survivors of the atomic bomb dropped on Hiroshima.
[5] Upon his death he was survived by his wife, Frances Capps Cogan (a medical doctor who did research on ophthalmology), two daughters, and four granddaughters.