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) the classical underworld with Hell, and its denizens as demons or devils. In the Renaissance, the bident became a conventional attribute of Pluto. In an influential ceiling mural depicting the wedding of Cupid and Psyche, painted by Raphael's workshop for the Villa Farnesina in 1517, Pluto is shown holding the bident, with Cerberus at his side, while Neptune holds the trident. Perhaps influenced by this work, Agostino Carracci originally depicted Pluto with a bident in a preparatory drawing for his painting "Pluto" (1592), in which the god ended up holding his characteristic key. In Caravaggio's "Giove, Nettuno e Plutone" (ca.