Aeneas Tacticus, Asclepiodotus, and OnasanderAeneas was perhaps a general, and certainly author of several didactic military works of which the sole survivor is that on defence against siege. From it we can deduce that he was a Peloponnesian of the fourth century BCE who served in the Aegean and in Asia Minor and composed the work from direct knowledge and from oral and some literary tradition, possibly in 3576 BCE. It is devoted entirely to defence of fortified places and deals specially with