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
Friar Alessandro accept monetary compensation or travels far to promote his album. All proceeds are given to the Order of Friars Minor a registered charity that assists Franciscan charity activities around the world. Friar Alessandro Alessandro Brustenghi (born in Assisi, Italy on 21 April 1978) also known as Friar Alessandro or at times Brother Alessandro (in English), Frate Alessandro (in Italian) or Frère Alessandro (in French) is an Italian Franciscan friar and a tenor singer of religious music. He is also the first religious brother to land an exclusive record contract with a major record label, in this case Universal Music. Friar