Augustus De Morgan 1806–1871 Source: Wikimedia Commons About Augustus De Morgan British mathematician and logician (1806–1871) People from the Same Era Gabriel Aristizábal Reutt 1805–1863 politician Madrid Achille du Clésieux 1805–1893 poet, politician, writer Saint-Brieuc Jan Nepomuk Eiselt 1805–1868 historian, naturalist, physician Prague Willem Theodore Gevers Deynoot 1808–1879 politician Rotterdam Joseph Wesley Harper 1801–1870 printer, publisher Samuel Sebastian Wesley 1810–1876 choir director, composer, instrumentalist London