Utrecht University alumni

Gilles Quispel (30 May 1916 – 2 March 2006) was a Dutch theologian and historian of Christianity and Gnosticism. He was professor of early Christian history at Utrecht University.
Born in Rotterdam, after finishing secondary school in Dordrecht, Quispel studied classical philology from 1934 to 1941 at the Leiden University. At Leiden he also began to study theology, which he continued at the University of Groningen. Quispel completed his doctoral work in 1943 at Utrecht University with a dissertation examining the sources utilized in Tertullian's Adversus Marcionem. He devoted study to several Gnostic systems, particularly Valentinianism. In 1948-1949 he spent a year in Rome as a Bollingen fellow and was appointed professor of the history of the early Church at Utrecht University in 1951. Quispel served as a visiting professor at Harvard University in 1964-1965 and at the Katholieke Universiteit Leuven in 1968. He was engaged in first editing Nag Hammadi Codex I (the "Jung Codex") and devoted attention to the Nag Hammadi Library and particularly to the Gospel of Thomas throughout the rest of his career. Quispel also made contributions to the study of early "Jewish-Christian" traditions as well as Tatian's Diatessaron (a second-century gospel harmony). He died in El Gouna, Egypt.

Hans Henkemans (The Hague, 23 December 1913 – Nieuwegein, 29 December 1995) was a Dutch pianist, teacher, composer of classical music and psychiatrist.
Henkemans was one of the most important Dutch composers of his time. From 1926 to 1931 he studied piano and composition with Bernhard van den Sigtenhorst Meyer, and from 1933 to 1938 with Willem Pijper. Later he studied piano with George van Renesse. Henkemans was influenced by Claude Debussy, Maurice Ravel and Willem Pijper.

Chriet Titulaer (May 9, 1943 – April 23, 2017), born in Hout-Blerick, Venlo, Limburg, was a Dutch astronomer, television presenter and popular science and technology writer. He lived in Houten, Utrecht.

Franciscus (Franz) Cornelius Donders FRS FRSE (27 May 1818 – 24 March 1889) was a Dutch ophthalmologist. During his career, he was a professor of physiology in Utrecht, and was internationally regarded as an authority on eye diseases, directing the Netherlands Hospital for Eye Patients. Along with Graefe and Helmholtz, he was one of the primary founders of scientific ophthalmology.