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.
Wikipedia contributors, "Alois Alzheimer," Wikipedia, The Free Encyclopedia, http://en.wikipedia.org/wiki/Alois_Alzheimer
ABOUT THE GERMAN LANGUAGE