Joseph of Volokolamsk

The Venerable Joseph of Volokolamsk , also known as Joseph of Volotsk or Joseph Volotsky (Russian: Ио́сиф Во́лоцкий) was an abbot and theologian of the Russian Orthodox Church during the late fifteenth and early sixteenth centuries. He led the party advocating monastic landownership that took his name as the "Josephites". He is commemorated on September 9 and February 13 .

Source: OrthodoxWiki