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 Jesuits and the Sciences, 1620-1659

European scientific thought during the period 1620-1660 was dominated by the revolutionary investigations of Galileo and others into the nature of the solar system, and Jesuit writers such as Malapert, Grassi and Grandami played no small part in the ensuing debate. As the chief proponents of traditional Aristotelian cosmology, and hailed by many as the intellectual champions of the Catholic Church, the philosophical and Scriptural arguments of Jesuit writers against the Copernican theory of a sun-centered solar system had influence.


Christoph Scheiner, 1575-1650

Disquistiones mathematicae de controuersijs et nouitatibus astronomicis, quas sub praesidio Christophori Scheiner, de [sic] Societate Iesu . . . publice disputandas posuit, propugnauit. . . Ioannes Georgius Locher... (Ingolstadt, 1614)

 

A comparison of various ancient and modern theories of the solar system, with emphasis on the new and controversial ideas of post-medieval astronomers. Although he refutes the Copernican system, Scheiner praises the observations of Galileo. The work contains one of the first illustrations of the telescope, and an early map of the moon, with topographical details.


Jacques Grandami, 1588-1672

Noua demonstratio immobilitatis terrae petita ex virtute magnetica, et quaedam alia ad effectus & leges magneticas, vsumque longitudinum & vniuersam geographiam spectantia, de nouo inuenta... (La Flêche, 1645)

 

In this attack on the copernican theory, Grandami uses his own theories about terrestrial magnetism in an attempt to prove the immobility of the earth. It was probably inspired by Galileo's Dialogo dei massimi sistemi, which was published in 1632. The author taught literature, natural philosophy and theology at various Jesuit colleges in France.


Jean Ciermans, 1602-1648

Disciplinae mathematicae traditae anno institutae Societatis Iesu seculari... (Antwerp, 1650)

 

An outline and celebration of the twelve major mathematical disciplines, with fanciful emblematic engravings illustrating the practice of geometry, arithmetic, optics, astronomy, &c.


Charles Malapert, 1581-1630

Austriaca sidera heliocyclia astronomicis hypothesibus illigata... (Douai, 1633)

 

Malapert used his observations on the comets of 1618, as well as the movement of the stars in the Southern sky to refute the hypotheses of Galileo and Copernicus.


Home Page || Introduction: Jesuits and the Sciences
1540-1619 || 1620-1659 || 1660-1719 || 1720-1773 || 1814-1900 || 1901-1995 || Bibliography

 



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