Nicholas Callan and experimental philosophy under Dr. Cornelius Denvir. He introduced the experimental method into his teaching, and had an interest in electricity and magnetism. Callan was ordained a priest in 1823 and went to Rome to study at Sapienza University, obtaining a doctorate in divinity in 1826. While in Rome he became acquainted with the work of the pioneers in electricity such as Luigi Galvani (1737–1798) who was a pioneer in modern obstetrics and Alessandro Volta (1745–1827) who is known especially for the development of the electric battery. In 1826, Callan returned to Maynooth as the new Professor of Natural Philosophy
Italian philosophy centres of scholarship and the intellect, with several philosophers such as Giambattista Vico (1668–1744) (who is widely regarded as being the founder of modern Italian philosophy) and Antonio Genovesi. Italian society also dramatically changed during the Enlightenment, with rulers such as Leopold II of Tuscany abolishing the death penalty. The church's power was significantly reduced, and it was a period of great thought and invention, with scientists such as Alessandro Volta and Luigi Galvani discovering new things and greatly contributing to Western science. Cesare Beccaria was also one of the greatest Italian Enlightenment writers, who was famous for his masterpiece