Monument is the most important Greek sculptor of the late classic in addition to Praxiteles. He lived in the 4th century BC, and was probably born in Athens. His career is specified between 370 and 320 by Pliny. His work mainly only on the basis of copies can be traced because little is known about his life and work.

The participation of the sculptor to 350 on the sculptures of the mausoleum of Halicarnassus seems, however, secured. According to Pliny he should have made the plates with the Amazon frieze of battle. The assignment of the models for the "Apollo Belvedere" and its counterpart, the "Artemis of Versailles" remains disputed.

The great glory of the Greek sculptor with his contemporaries was based mainly on his portraits and idols. So he commissioned to represent the Royal family Philip II. of Macedon in the Philippeion in Olympia as a family portrait before 338 BC. He represented his son Alexander in another portrait busts. A famous in Roman time’s work of created was the statue of the Ganymede raped of the Eagle.

The figural works have their specificity in its slender proportions and the expansive movements. The assignments are, for his time, he has proved unusual dynamics in multi-figure scenes and decorative area fill. His work on the threshold of the classical art of the 5th century is BC, and the Hellenistic period.