Ekke A. Kleima 1899-1958, George G. Martens 1894-1979, Henk Melgers 1899-1973, Alida J. Pott 1888-1931, Jannes de Vries 1901-1986
Ekke A. Kleima 1899-1958, George G. Martens 1894-1979, Henk Melgers 1899-1973, Alida J. Pott 1888-1931, Jennes de Vries 1901-1986 : [each, to some extent, imbued with a modern spirit]