Peter Stadlen
Peter Stadlen ( 14 July 1910 – 21 January 1996 ) was an Austrian pianist , musicologist and critic , specialising in the study and interpretation of Beethoven and the composers of the Second Viennese School . 
<triplet> Peter Stadlen <subj> 14 July 1910 <obj> date of birth <subj> 21 January 1996 <obj> date of death