Question: Hans F. Sennholz was a prolific author who studied under a theoretical Austrian School economist best known for his work on praxeology, a study of what?
Sentence (from "Hans Sennholz"): Hans F. Sennholz ( ; ] ; 3 February 1922 – 23 June 2007) was a German-born American Austrian School economist and prolific author who studied under Ludwig von Mises.
Relevant evidence: Yes