en.wikipedia.org
en.wikipedia.org
britannica.com
nobelprize.org
nobelprize.org
thefamouspeople.com
biographs.org
biographs.org
https://biographs.org › ernst-otto-fisher
nobel-centre.com
mediatheque.lindau-nobel.org
Lindau Nobel Mediatheque
https://mediatheque.lindau-nobel.org › laureates › fischer › cv
oxfordreference.com
encyclopedia.com
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