Eduard Jäger von Jaxtthal
He was a professor at the University of Vienna , and was son to oculist Friedrich Jäger von Jaxtthal ( 1784-1871 ) , and grandson to Georg Joseph Beer ( 1763-1821 ) . 
<triplet> Friedrich Jäger von Jaxtthal <subj> University of Vienna <obj> employer <triplet> Georg Joseph Beer <subj> University of Vienna <obj> educated at