Petrus Peregrinus (active 1261-1269) was a French scholastic and scientist whose famous letter on magnetism is one of the monuments of experimental research in the Middle Ages. Only the scantiest details are known about the life of Petrus Peregrinus,...

fl. 1269 French Physicist and Engineer Petrus Peregrinus de Maricourt conducted the first systematic experiments on magnetism and invented improved nautical compasses. He was one of the few medieval scientists to have conducted experimental inquires....

fl. 1200s French scholar noted for his observations on the magnetic compass and for his work as a military engineer. In 1269 Petrus, also known as Pierre Pelerin de Maricourt, was involved in a siege by the French army against the city of Lucera in...

The earliest experimental study of magnetism can be found in a letter written by Petrus Peregrinus in 1269. Peregrinus was the first individual to describe the existence of two magnetic poles in each magnet, to describe the attraction between unlike...

Peter of Maricourt (Peter Peregrinus of Maricourt;[1] French Pierre Pèlerin de Maricourt; Latin Petrus Peregrinus de Maharncuria) (fl. 1269) was a 13th century French scholar who conducted experiments on magnetism and wrote the first extant treatise...