30.06.1954    born in Krimpen aan den IJssel (Netherlands), as son of Koos Spruit and Marie Werksma.

12.10.1979    master in theology (history of christianity)

27.11.1981    master in philosophy (history of philosophy)

1985-88        research fellow Dutch Council of Research at the University of Amsterdam

since 1986     lecturer Dutch language and literature at “La Sapienza” University Rome.

25.09.1987    PhD philosophy at the University of Amsterdam.

30.09.1988    receives premium of “Prins Bernhard Fonds” for his dissertation

on the epistemological thought of Giordano Bruno, assigned by the Dutch Academy of Sciences (Haarlem).

1989-92        research fellow Royal Dutch Academy of Sciences at Utrecht University.

1991-92        visiting professor University of Trieste.

since 1996     member of research group “Catholic Church and Modern Science.”

since 2010     associate researcher at Radboud University Nijmegen (The Netherlands)