Athenaeus Mechanicus is the author of a book on siegecraft, On Machines (Ancient Greek: Περὶ μηχανημάτων Perì mēchanēmátōn). He is identified by modern scholars with Athenaeus of Seleucia, a member of the Peripatetic school active in the mid-to-late 1st century BC, at Rome and elsewhere.[1][2]