Question: Which person that Roger Manvell made a biography of had the middle name of Luitpold? 
Sentence (from "Heinrich Himmler"): Heinrich Luitpold Himmler (] ; 7 October 1900 – 23 May 1945) was "Reichsführer" of the "Schutzstaffel" (Protection Squadron; SS), and a leading member of the Nazi Party (NSDAP) of Germany.
Relevant evidence: Yes