Basil of Caesarea was a 4th century Church father and bishop. He was born in 330 AD in Caesarea, Turkey to a wealthy and religious family. Basil received an excellent education and traveled widely before founding monasteries and establishing rules for cenobitic monastic life. As bishop, he defended orthodox doctrine against heresies like Arianism and wrote extensively on theology and monasticism. Basil stood up to imperial authority and pressures as he sought to uphold trinitarian doctrine.