Adolf Bonifacy Bniński 1815–1880 Source: Wikimedia Commons People from the Same Era Robert Thompson Crawshay 1817–1879 metallurgist Cyfarthfa Ironworks Julius Weisbach 1806–1871 geodesist, mathematician, mechanical engineer, surveyor, university teacher Mittelschmiedeberg Louis-Gaspard-Gustave-Adolphe Yvelin de Béville 1806–1885 soldier Rouen Olof Fryxell 1806–1900 poet, priest, writer Edsleskog Charles Beecher 1815–1900 composer, hymnwriter, meteorological observer, politician, writer Litchfield Wilhelm Sommerwerck 1821–1905 Catholic bishop, Catholic priest, Catholic theologian, politician Minden