↩ 🔵 🔵 🔵 ❪✺₄❫ Anthropological Sets ○ ❪◔❫ CfA Scientists ○ Alan Turing ○̉ Albert Einstein ○̉ Brook Taylor ○̉ Carl Friedrich Gauss ○̉ Euclid ○̉ George Boole ○̉ Gottfried Wilhelm Leibniz ○̉ Guillaume de l’Hôpital ○̉ Isaac Newton ○̉ Johannes Kepler ○̉ Joseph Fourier ○̉ Joseph-Louis Lagrange ○̉ Thomas Bayes ○̉ William Rowan Hamilton ○̉