Saint Macarius of Alexandria (died 395) was a monk

Monk

A monk is a person who practices religious asceticism, living either alone or with any number of monks, while always maintaining some degree of physical separation from those not sharing the same purpose...

 in the Nitrian Desert. He was a slightly younger contemporary of Macarius of Egypt

Macarius of Egypt

Macarius of Egypt was an Egyptian Christian monk and hermit. He is also known as Macarius the Elder, Macarius the Great and The Lamp of the Desert.-Life:...

, and is thus also known as Macarius the Younger. He was also known as ho politikos. He was an extreme ascetic, and numerous miracle

Miracle

A miracle often denotes an event attributed to divine intervention. Alternatively, it may be an event attributed to a miracle worker, saint, or religious leader. A miracle is sometimes thought of as a perceptible interruption of the laws of nature. Others suggest that a god may work with the laws...

s were ascribed to him. He presided over five thousand Nitric monks.

Once, he went to the monastery of Saint Pachomius

Pachomius

Saint Pakhom , also known as Pachome and Pakhomius , is generally recognized as the founder of Christian cenobitic monasticism. In the Coptic churches his feast day is celebrated on May 9...

 in a layman's garment, and stayed there during the forty days of Lent

Lent

In the Christian tradition, Lent is the period of the liturgical year from Ash Wednesday to Easter. The traditional purpose of Lent is the preparation of the believer – through prayer, repentance, almsgiving and self-denial – for the annual commemoration during Holy Week of the Death and...

.