Walter Frederick Morrison disc more cheaply. In 1955, he and Lu designed the Pluto Platter, the archetype of all modern flying discs. On January 23, 1957, they sold the rights for the Pluto Platter to the Wham-O toy company. Initially Wham-O continued to market the toy solely as the "Pluto Platter", but by June 1957 they also began using the name "Frisbee" after learning that college students in the Northeast were calling the Pluto Platter by that name. Morrison also invented several other products for Wham-O, but none were as successful as the Pluto Platter. Morrison and his wife, Lu Nay Morrison had
Pluto (mythology) called, as is known, Lethe, Cocytus, Phlegethon and Acheron, tributaries of the Stygian swamp." This work derives from that of the Third Vatican Mythographer, possibly one Albricus or Alberic, who presents often extensive allegories and devotes his longest chapter, including an excursus on the nature of the soul, to Pluto. In Dante's "Divine Comedy" (written 1308–1321), Pluto presides over the fourth circle of Hell, to which the greedy are condemned. The Italian form of the name is "Pluto", taken by some commentators to refer specifically to Plutus as the god of wealth who would preside over the torment of those