Abstract

This paper presents the reactions to Descartes' account of the heartbeat expressed by the Leuven professors Fortunatus Plempius and Libertus Fromondus, reactions that also involved the Utrecht professor Henricus Regius. I show that the letters exchanged between Descartes and the two Leuven professors in 1637–1638 stirred a continuous debate, followed through a series of publications, up to the condemnations of Cartesianism in 1662–1663. I investigate the extent to which the reception of Descartes' account of the heartbeat contributed to the initial rejection of Cartesianism in Leuven and how physiological arguments were motivated by theological concerns throughout these exchanges.

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Author notes

I owe thanks to Maarten Van Dyck, Sven Dupré, Charles T. Wolfe, and anonymous reviewers for comments, to Barnaby Hutchins for having corrected my English, and to Thomas Gariepy for having kindly provided me with a copy of his dissertation. Research for this article was financed by the Fonds Wetenschappelijk Onderzoek Vlaanderen (FWO).