Bartholomeus Amicus or Bartolomeo Amico or Bartholomeo d'Amici, was a Jesuit priest, teacher and writer who spent his adult life in Naples

Naples

Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

. The subjects he wrote about include Aristotelian

Aristotle

Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

 philosophy, mathematics, astronomy, and the concept of vacuum

Vacuum

In everyday usage, vacuum is a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure. The word comes from the Latin term for "empty". A perfect vacuum would be one with no particles in it at all, which is impossible to achieve in...

 and its relationship with God.

He studied law before joining the Jesuits and following the curriculum in their college in Naples, later teaching logic, physics, metaphysics and theology. In his extensive writing he presented alternative theories, including those of Christopher Clavius

Christopher Clavius

Christopher Clavius was a German Jesuit mathematician and astronomer who was the main architect of the modern Gregorian calendar...

 and Copernicus, even when he disagreed with them, though theologians of that period did not always explain opposing views. He sought to establish workable science without undermining theology.