Louise Duffield Cummings 1870–1947 Source: Wikimedia Commons About Louise Duffield Cummings Canadian-born American mathematician (1870-1947) People from the Same Era Edgar Haniel von Haimhausen 1870–1935 diplomat, politician Ruhrort Johannes Ludovicus Mattheus Lauweriks 1864–1932 architect, art theorist, ceramicist, decorative artist, designer, draftsperson, exlibrist, furniture designer, graphic artist, graphic designer, jewelry designer, opinion journalist, university teache Roermond Václav Řezníček 1861–1924 historian, journalist, librarian, writer Česká Skalice Emílio Martins Costa 1877–1952 writer Portalegre Wilhelm Stahl 1872–1953 librarian, music educator, music historian, university teacher Groß Schenkenberg Tomioka Eisen 1864–1905 painter, ukiyo-e artist Matsushiro Domain