. . . "1905-09-02"^^ . . "Action T4 Nazi \"euthanasia\" program"@en . . . . . "Richard von Hegener (2 September 1905 - 18 September 1981) was a primary organizer of the Nazi German \"euthanasia\" program within Hitler's Chancellery. After the war, he gave evidence against other participants in the program."@en . . . . . . . "Richard von Hegener"@en . . "Richard von Hegener"@en . . . . . . . . "Richard von Hegener (2 September 1905 - 18 September 1981) was a primary organizer of the Nazi German \"euthanasia\" program within Hitler's Chancellery. After the war, he gave evidence against other participants in the program."@en . "1981-09-18"^^ . . . . . . .