TY - JOUR TI - How French Mathematicians Learned about What Happened to their Polish Colleagues During WW2 AU - Jaëck, Frédéric AU - Mazliak, Laurent AU - Murawski, Roman TI - How French Mathematicians Learned about What Happened to their Polish Colleagues During WW2 AB - This article presents an exchange of letters between Wacław Sierpiński and Paul Montel during the year 1945. This correspondence, translated here into English, provides insight into how and in what form the French learned about the dramatic fate of many Polish mathematician colleagues during the war. We also give a short biography of the two protagonists, as well as some facts about the mathematicians mentioned in the letters. VL - 2021 IS - Volume 53 PY - 2021 SN - 0078-6500 C1 - 2657-5337 SP - 29 EP - 53 DO - 10.4467/00786500.ORG.21.002.14787 UR - https://ejournals.eu/en/journal/organon/article/how-french-mathematicians-learned-about-what-happened-to-their-polish-colleagues-during-ww2 KW - WW2 KW - Montel KW - Sierpiński KW - Polish School of Mathematics