Ubiratàn D'Ambrosio 1932–2021 Source: Wikimedia Commons About Ubiratàn D'Ambrosio Brazilian historian of mathematics (1932–2021) People from the Same Era Doug Atkins 1930–2015 American football player, athletics competitor, basketball player Humboldt Thomas Hynes 1938–2019 lawyer, politician Chicago Shinzaburo Takeda b. 1935 artist Seto Alojz Ribič 1922–2007 partisan, politician Trebelno, Municipality Mokronog-Trebelno Hashem Hashemzadeh Herisi b. 1938 politician Heris Raf Reymen 1926–1990 actor Ghent