Monasticism: Did you mean...?

A 15th century CE oil on canvas painting by Piero di Cosimo of St. Anthony (c. 251 – 356 CE), one of the founders of Christian Monasticism. (National Gallery of Art, Washington D.C.)

A 10th century CE depiction of Amma Syncletica of Alexandria (c. 270 – c. 350 CE), one of the early leaders of Christian Monasticism. (Vatican Libraries)