Laetus Bernatek 1847–1927 Source: Wikimedia Commons People from the Same Era Léonce Manouvrier 1850–1927 anatomist, anthropologist, physiologist Guéret Emil Hendrik Stieltjes 1853–1923 hydraulic engineer Gramsbergen Gerardus Heymans 1857–1930 philosopher, psychologist, university teacher Ferwert Percival Blodgett b. 1841 politician F. A. de Roepstorff 1842–1883 philologist, writer Charles Fulmar 1845–1920 Rev.