Christian von Ehrenfels
Christian von Ehrenfels ( also "Maria Christian Julius Leopold Freiherr von Ehrenfels"; 20 June 1859 – 8 September 1932 ) was an Austrian philosopher , and is known as one of the founders and precursors of Gestalt psychology . 
<triplet> Christian von Ehrenfels <subj> 20 June 1859 <obj> date of birth <subj> 8 September 1932 <obj> date of death