Hans Gerhard Fürth

Name: Hans Gerhard [Hans G Furth] Birth Date: 2 Dec 1920 Birth Place: Vienna, Austria Father Name: Hugo Furth Mother Name: Julia Schindler Death Date: 7 Nov 1999 Type of Claim: Original SSN. Notes: Aug 1955: Name listed as HANS GERHARD FURTH; 16 Nov 1999: Name listed as HANS G FURTH
--------------------------
https://en.wikipedia.org/wiki/Hans_G._Furth Hans G. Furth (December 2, 1920, Vienna – November 7, 1999, Takoma Park, Maryland), was a Professor emeritus in the Faculty of Psychology of the Catholic University of America in Washington, D.C., at the time of his death aged 78.

http://www.piaget.org/news/furth-obit.html