Steve Spangler (born December 8, 1966) is an American television personality, author and science teacher. Spangler founded Steve Spangler Science and its wholesale division, Be Amazing Toys. He served as CEO of Steve Spangler Science and the creative director of Be Amazing Toys. Both companies develop science education teaching tools and toys. Spangler posted the first Diet Coke and Mentos video on YouTube in September 2005 and his 2002 televised demonstration of the eruption went viral launching a chain of several other Diet Coke and Mentos experiment viral videos. He earned two Heartland Emmy Awards and a total of five Emmy nominations. Spangler holds a Guinness World Record for the largest physics lesson and is an inductee of the National Speakers Association Speaker Hall of Fame.