Menelaus Paris at Sparta; his retrieval of Patroclus’s corpse; and his reunion with Helen. Menelaus appears as a character in a number of 5th-century Greek tragedies: Sophocles’ "Ajax", and Euripides’ "Andromache", "Helen", "Orestes", "Iphigenia at Aulis", and "The Trojan Women". Menelaus In Greek mythology, Menelaus (; , "Menelaos", from μένος "vigor, rage, power" and λαός "people," "wrath of the people") was a king of Mycenaean (pre-Dorian) Sparta, the husband of Helen of Troy, and the son of Atreus and Aerope. According to the "Iliad", Menelaus was a central figure in the Trojan War, leading the Spartan contingent of the Greek army,
Menelaus of Alexandria great circle arcs, which he named "trilaterals") and proves Menelaus' theorem on collinearity of points on the edges of a triangle (which may have been previously known) and its analog for spherical triangles. It was later translated by the sixteenth century astronomer and mathematician Francesco Maurolico. The lunar crater Menelaus is named after him. The titles of a few books by Menelaus have been preserved: Menelaus of Alexandria Menelaus of Alexandria (; , "Menelaos ho Alexandreus"; c. 70 – 140 CE) was a Greek mathematician and astronomer, the first to recognize geodesics on a curved surface as natural analogs of