P. Dupont (1870 – 1911)
G.H. Breitner (1857 – 1923)
W. Sluiter (1873 – 1949)
H.M. Krabbé (1868 – 1931)
M. Wandscheer (1856 – 1936)
I. Israels (1865 – 1934)
P. de Josselin de Jong (1861 – 1906)
L. Soonius (1883 – 1956)
J.E.H. Akkeringa (1861 – 1942)