A TroostProfessor A. Troost began his professional career as a minister. He served consecutively in the congregations of Vleuten De Meern (five years), Beetgum (four years), Kootwijk (three years) and Rotterdam, where he was minister to the student congregaton for five years. Troost graduated as Doctor of Theology on a thesis "Casuistry and Situation Ethics", in 1958 at Kootwijk. He started his academic career as extraordinary professor in social ethics in the Faculty of Economics of the Free University of Amsterdam during 1964. Troost also lectured in the Faculty of Social Sciences, of Economic Sciences, Sub-faculties of Social and Cultural Sciences, Pedagogics and Andragology, and the Central Interfaculty for Philosophy. He became a popular professor and was invited by universities from various countries to be a visiting professor. He is also the author of What is Reformational Philosophy? Read More Read Less