Louise Duffield Cummings 1870–1947 Source: Wikimedia Commons About Louise Duffield Cummings Canadian-born American mathematician (1870-1947) People from the Same Era Frans Mustasilta 1879–1949 politician Lavia Seike Kichijiro 1866–1934 politician Cemal Esener 1876–1958 politician Istanbul Lucien Coquet 1869–1947 Rochefort Hermann Quarck 1873–1932 jurist, politician Coburg Charles Stephen Longuet 1861–1951 lawyer, politician Bluff