Richard von Helmholtz
Richard von Helmholtz was born on 28 September 1852 in Königsberg , Prussia , the son of the physicist Hermann von Helmholtz and his first wife Olga , née von Velten . 
<triplet> Richard von Helmholtz <subj> 28 September 1852 <obj> date of birth <subj> Königsberg <obj> place of birth