Constant Janssen - Source

Source

  • Dirk Collier (Ed.), Dr. Constant Janssen, Janssen Pharmaceutica, 1996
Persondata
Name Janssen, Constant
Alternative names
Short description businessman, physician
Date of birth 18 September 1895
Place of birth Vlimmeren, Belgium
Date of death 15 April 1970
Place of death Antwerp, Belgium


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