of Donders", the space between the dorsum of the tongue and the hard palate when the mandible is at rest. He died in Utrecht. Family He married twice: first in 1845 to Ernestine Zimmerman (d.1887); secondly, in 1888 to Abrahamine Arnolda Louisa Hubrecht. References den Tonkelaar, Isolde, Harold E. Henkes and Gijsbert K. van Leersum (1996) - Eye and instruments : Nineteenth-century ophthalmological instruments in the Netherlands. Amsterdam : Batavian Lion. . 304 pgs. External links B. Theunissen. Franciscus Cornelis Donders 1818-1889, F.C. Donders: turning refracting into science, @ History of science and scholarship in the Netherlands. Picture, biography, bibliography and digitized sources in the Virtual Laboratory of the Max Planck Institute for the History of Science P. Eling, Donders, Frans (1818-1889), Geneeskundige en fysioloog. Edwin Maes, Professor dr. Franciscus Cornelis Donders (Tilburg 27-5-1818, Utrecht 24-3-1889) Gravesite of Franciscus Donders. Obituary in: 1818 births 1889 deaths Dutch ophthalmologists Dutch physiologists Foreign Members of the Royal Society Members of the French Academy of Sciences Members of the Royal Netherlands Academy of Arts and Sciences People from Tilburg Physicians from Utrecht (city) Utrecht University alumni Academic staff of Utrecht University