>chlorofluorocarbons, or unleaded gasoline I think you meant leaded gasoline? Both were inventions of one man Thomas Midgley, Jr. He contracted polio and made

>chlorofluorocarbons, or unleaded gasoline I think you meant leaded gasoline? Both were inventions of one man Thomas Midgley, Jr. He contracted polio and made a harness to assist himself to get out of bed and ended up accidentally strangling himself. What a guy.