(April 20, 1745 - October 25, 1826)
Philippe Pinel was a French physician who was instrumental in the development of a more humane psychological approach to the custody and care of psychiatric patients, referred to today as moral treatment. He also made notable contributions to the classification of mental disorders and has been described by some as "the father of modern psychiatry".
(June 14, 1864 - December 19, 1915)
Aloysius "Alois" Alzheimer was a German psychiatrist and neuropathologist and a colleague of Emil Kraepelin. Alzheimer is credited with identifying the first published case of "presenile dementia", which Kraepelin would later identify as Alzheimer's disease.