John Cantius
John Cantius (Latin: Joannes Cantius; Polish: Jan z Kęt or Jan Kanty; 23 June 1390 – 24 December 1473) was a Polish Catholic priest, scholastic philosopher, physicist and theologian. == Biography == John Cantius was born in Kęty, a small town near Oświęcim, Poland, to Anna and Stanisław Kanty.