Alexander Grothendieck
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Alexander Grothendieck, later Alexandre Grothendieck in French, was a German-born French mathematician who became the leading figure in the creation of modern algebraic geometry. His research extended
Sascha Schapiro, his father
The Stolperstein of Alexander Grothendieck, n°165 Brunnenstrasse, Berlin-Mitte, where he lived with his parents.
IHÉS' main building.
Nansen passport
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Nansen passports, originally and officially stateless persons passports, were internationally recognized refugee travel documents from 1922 to 1938, first issued by the League of Nations's Office of t
Alexander Grothendieck
…leading expert in the theory of topological vector spaces. In 1953 he moved to the University of São Paulo in Brazil, where he immigrated by means of a Nansen passport, given that he had refused to take French nationality (as that would have entailed military service against his convictions). He stayed in São Paulo…
The front cover of a Nansen passport (green stripe), written in French, the diplomatic language
Nansen passport cover; Police office, Prague, Czechoslovakia, 1930
Nansen passport renewal stamp; Nansen International Office for Refugees, 1930
Memorial plaque (partial view); outside wall, City Hall, Oslo, Norway, 2007