Anne Marie Tornquist wrote.

I am interested in finding out as much as I can about a Suzanne
Quittner, who was a resident at the American Hospital in Paris in 1951
(ie a medical intern).

snip....

You yourself posted far more, like a husband, on:
<https://www.geni.com/people/Jean-Ravina/6000000044389526211>
The son there is the same person as this husband, btw.

[Why not first tell all what you allready know?]

Ancestry has a 1936 portait:
Suzanne Liselotte Quittner (1926-2010)

Perhaps she later, in 1953 married Richard F Alexander in Maidenhead, and
was this her father Walther Quittner who died there on 2 Feb 1961.
<https://www.thegazette.co.uk/London/issue/43607/page/3011/data.pdf>

Evertjan Hannivoort.
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Visit the most beautiful shul of western Europe:
<http://synagogeenschede.nl/>