Saint Catherine of Alexandria, also known as Saint Catherine of the Wheel and The Great Martyr Saint Catherine (Greek "") is a Christian saint and martyr. She is believed to have been a well-known scholar in the 4th century. In the 15th century it was claimed she had spoken to Joan of Arc. The Orthodox Church venerates her as a "great martyr", and in the Catholic Church she is traditionally revered as one of the Fourteen Holy Helpers.