St Catherine of Alexandria, also known as Saint Catherine of the Wheel and The Great Martyr Saint Catherine. She was a Christian princess, virgin and noted scholar who was martyred at the hands of a pagan emperor Maxentius in the 4th century. St Catherine of Alexandria is the patron saint of unmarried girls, apologists, archivists, attorneys, barrister, dying people, educators, girls, jurists, knife sharpeners, librarians, libraries, Balliol College, Massey College, maidens, mechanics, millers, milliners, hat-makers, nurses, philosophers, preachers, scholars, schoolchildren, scribbles secretaries, spinsters, stenographers, students, tanners, theologians, haberdashers, and wheelwrights. Saint Catherine of Alexandria memorial feast day is November 25th.