Lethe alpha literally means "un-forgetfulness" or "un-concealment". Lethe, the river of forgetfulness, was one of the five rivers of the Greek underworld, the other four being Styx, Acheron (the river of sorrow), Cocytus (the river of lamentation) and Phlegethon (the river of fire). According to Statius, it bordered Elysium, the final resting place of the virtuous. Ovid wrote that the river flowed through the cave of Hypnos, god of sleep, where its murmuring would induce drowsiness. The shades of the dead were required to drink the waters of the Lethe in order to forget their earthly life. In the "Aeneid", Virgil
Isle of the Dead (painting) produce such a stillness that one would be awed by a knock on the door.” The title, which was conferred upon it by the art dealer Fritz Gurlitt in 1883, was not specified by Böcklin, though it does derive from a phrase in an 1880 letter he sent to the painting’s original commissioner. Not knowing the history of the early versions of the painting (see below), many observers have interpreted the oarsman as representing the boatman Charon who ferried souls to the underworld in Greek mythology. The water would then be either the River Styx or the River Acheron and