Léon Duvignau de Lanneau 1868–1933 Source: Wikimedia Commons People from the Same Era Max Weisz 1872–1931 archivist, rabbi, scholar, university teacher Pest Boelo Luitjen Tijdens 1858–1904 politician Groningen Louise Duffield Cummings 1870–1947 mathematician Hamilton Konstantin Kempf 1873–1944 master of novices, writer Bernbach Fritz Burger 1877–1916 art historian, painter, university teacher Munich José Vidal 1869–1935 photographer Barcelona