Saint Seraphim of Sarov (Russian: Серафим Саровский) (1 August [O.S. 19 July] 1754 (or 1759) – 14 January [O.S. 2 January] 1833), born Prokhor Moshnin (Прохор Мошнин), is one of the most renowned Russian monks and mystics in the Eastern Orthodox Church. He is generally considered the greatest of the 19th century startsy (elders). Seraphim extended the monastic teachings of contemplation, theoria and self-denial to the layperson.