(b Modena, Jan 17, 1624; d Milan, March 6, 1683).
Italian architect, mathematician, astronomer, theorist, writer and priest. Together with Francesco Borromini, he is the most renowned exponent of the anti-classical, anti-Vitruvian trend that dominated Italian architecture after Michelangelo but increasingly lost ground from the late 17th century. His subtly designed buildings, crowned with daring and complex domes, were ignored in Italy outside Piedmont, but illustrations published in 1686 and again in Guarini’s treatise Architettura civile (1737) proved a fruitful source of inspiration in the development of south German and Austrian late Baroque and Rococo architecture.
Guarini came from a deeply religious family; he and his four brothers all joined the Theatine Order. At the age of 15 he became a novice and was sent to Rome (1639–48), where he was able to study High Baroque architecture, in particular the work of Borromini, Gianlorenzo Bernini and Pietro da Cortona. The details of Guarini’s architectural training are not known, but in the excellently equipped libraries of his Order he presumably studied such well-known treatises as those of Serlio and Jacopo Vignola. In ...