Commemoration of the 61th anniversary of the liberation, 12 April 2006. From right to left: Jens-Christian Wagner (director of the Mittelbau-Dora Concentration Camp Memorial Site), Albert van Hoey (Chairman of the Former Buchenwald Concentration Camp Inmates’ Advisory Board), Volkhard Knigge (Director of the Buchenwald and Mittelbau-Dora Memorials Foundation)