Oscar Callaway 1872–1947 Source: Wikimedia Commons About Oscar Callaway American politician (1872-1947) People from the Same Era Robert Heath Lock 1879–1915 botanist Alexander Mordvilko 1867–1938 botanist, entomologist Stalovičy Clementino Fraga 1880–1971 physician writer, politician Muritiba Josef Jahoda 1872–1946 editing staff, journalist, poet, teacher, writer Havlíčkův Brod Waldemar Duhs 1875–1958 photographer Earl C. Mathews 1879–1953 politician Mathews County