Alois Alzheimer, German psychiatrist and neuropathologist (d. 1915)

Alois Alzheimer (; German: [ˈaːlɔɪs ˈaltshaɪmɐ]; 14 June 1864 – 19 December 1915) 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.