Karl Silberbauer
Karl Josef Silberbauer (June 21, 1911 – September 2, 1972) was an Austrian SD non-commissioned officer holding the rank of SS-Oberscharführer (Staff sergeant), when, serving in the occupied Netherlands, he arrested Anne Frank and her family in their hiding place in 1944.
Read more about Karl Silberbauer: Biography, Silberbauer's Recollections of The Arrest, Sources