Constant Janssenとは 意味・読み方・使い方

Dr. Jan Constant Janssen (Belgium, Vlimmeren, 18 September 1895-Antwerp, 15 April 1970), was a Belgian physician and businessman. He was the third child (out of four) of Adriaan Victor Janssen (1854-1942) and Anna Catharina Eelen (1855-1929). He went to highschool in Hoogstraten and studied medicine at the Catholic University of Leuven and the University of Ghent. On 16 April 1925, he married Margriet Fleerackers (Turnhout, 5 January 1897-Vosselaar, 23 September 1973), together they had four children. Their oldest son, Paul Janssen, would become one of the most successful scientists in pharmaceutics.