When was the toy invented that Betty M. James came up with the name for?
Betty James: Betty M. James (February 13, 1918, Altoona, Pennsylvania – November 20, 2008, Philadelphia, Pennsylvania), was an American businessperson who came up with the name for the Slinky her husband Richard T. James invented. Slinky: A Slinky is a toy precompressed helical spring invented by Richard James in the early 1940s.
the early 1940s