He was responsible for the Barbie doll, Hot Wheels and Chatty Cathy.
[3] In 1956, Mattel co-owner Ruth Handler returned from a European vacation with a German-designed Bild Lilli doll.
[5] He developed Chatty Cathy, Ken, Hot Wheels and Larry the Lion and was involved in creating the voice systems for Chatty Cathy, Barbie and Larry the Lion.
X-15 velocipede which was named after the North American X-15 rocket-powered aircraft and patented the V-RROOM!
[4] Ryan suffered a debilitating stroke in 1989; he died by gun suicide on August 13, 1991.