Laurent C. Siebenmann b. 1939 Source: Wikimedia Commons About Laurent C. Siebenmann French mathematician People from the Same Era Vladyslav Stepura b. 1938 journalist, politician Velyka Oleksandrivka Raion John Howard Dalton b. 1941 investment banker, politician New Orleans Manfred Zucker 1938–2013 author, chess composer, chess player Chemnitz Eli Raveh b. 1945 children's writer Legnica Patricia Bates b. 1939 politician Los Angeles Lena Shakirjan 1945–2017 children's writer, literary critic, opinion journalist, poet, translator Puçı