Johann Conrad Barchusen
Johann Conrad Barchusen , originally Barkhausen , sometimes Barchausen ( 16 March 1666 Horn , Principality of Lippe - 2 October 1723 , Utrecht , was a pharmacist , chemist , physician and professor . 
<triplet> Johann Conrad Barchusen <subj> Horn <obj> place of birth <subj> 2 October 1723 <obj> date of death