Johannes Frischauf
Johannes Frischauf ( 17 September 1837 in Vienna – 7 January 1924 in Graz ) was an Austrian mathematician , physicist , astronomer , geodesist and alpinist . 
<triplet> Johannes Frischauf <subj> 17 September 1837 <obj> date of birth <subj> Vienna <obj> place of birth <subj> 7 January 1924 <obj> date of death <subj> Graz <obj> place of death <subj> mathematician <obj> occupation