Edwin Theodore Dumble 1852–1927 Source: Wikimedia Commons About Edwin Theodore Dumble American geologist and writer (1852–1927) People from the Same Era Johann Baptist Mehler 1860–1930 Catholic priest, journalist, writer Tirschenreuth Rudolf Lehmann-Filhés 1854–1914 mathematician, university teacher Berlin Paul François Grossetti 1861–1918 military personnel Paris Teodoro R. Yangco 1861–1939 politician San Antonio Sarah Massey Overton 1850–1914 civil rights advocate, suffragist Massachusetts Emil Leys-Paschpach 1853–1927 politician Vienna