![Personnel of T4, the agency created to administer the Nazi Euthanasia Program. [LCID: 01783]](https://encyclopedia.ushmm.org/images/large/b2be51c5-45cf-4b02-81c7-d66a17ce63f8.jpg)
Personnel of T4, the agency created to administer the Nazi Euthanasia Program. Pictured from left to right are: Erich Bauer (chauffeur), Dr. Rudolf Lonauer, Dr. Victor Ratka, Dr. Friedrich Mennecke, Dr. Paul Nitsche,and Dr. Gerhard Wischer. Berlin, Germany, 1939–45.
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