In 1955, inventor Jack Ryan approached Mattel with an idea for a toy transistor radio. His knowledge of engineering and technology caused such a positive impression that the Handlers recruited him after Ryan negotiated to receive a percentage of every toy he invented. Although Barbie dolls were not Ryan’s idea, he came up with the technology, patented by Mattel in 1961, that allowed her to 'twist-’n-turn' and talk. He also designed the technology for over thirty-five Mattel toys, including Chatty Cathy, Hot Wheels cars, the Thunderburp cap gun, and the…