Daniel O'Donoghue 1833–1889 Source: Wikimedia Commons About Daniel O'Donoghue Irish politician People from the Same Era William Gustavus Fischer 1835–1912 composer, writer Baltimore Leonhard Zech 1843–1910 geologist, mathematician, naturalist, teacher Erfurt Ludwig Dressel 1840–1918 Catholic priest, chemist, geologist, physicist Waldburg James Stirling 1836–1916 bryologist, judge Aberdeen Lodewijk Johan Sigismund van Kempen 1838–1910 politician Utrecht William Graham Sumner 1840–1910 anthropologist, economist, historian, philosopher, political scientist, political theorist, sociologist, university teacher, writer Paterson