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
Alessandro Salvio Walker, 1843 Alessandro Salvio Alessandro Salvio (c. 1570 – c. 1640) was an Italian chess player who is considered to be the unofficial world champion around the year 1600. He started an Italian chess academy in Naples, Italy, and wrote a book called "Trattato dell'Inventione et Arte Liberale del Gioco Degli Scacchi", which was published in Naples in 1604. He also wrote "Il Puttino" published in 1634. According to JH Saratt's translation, Il Puttino was first published in 1604, and republished in 1634. [1] SALUIO NAPOLITANO, DOTTOR ALESSANDRO: TRATTATO DELL’ INVENTIONE ET ARTE LIEBERALE DEL GIOCO DI SCACCHI, Diuiso in