Joseph Knar
Joseph Knar ( January 1 , 1800 – June 1 , 1864 ) was an Austrian mathematician working at the University of Graz . 
<triplet> Joseph Knar <subj> January 1, 1800 <obj> date of birth <subj> June 1, 1864 <obj> date of death <subj> University of Graz <obj> educated at