I came across this long-lost photograph of Jacques Herbrand in a paper by Marcel Guillaume, "La logique mathématique en France entre les deux guerres mondiales : Quelques repères," Revue d'histoire des sciences 1/2009 (Tome 62) , p. 177-219. It turns out that the photo was taken by Natascha Artin Brunswick in 1931, when Herbrand visited Hamburg. … Continue reading Herbrand Photograph by Natascha Artin Brunswick
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