Thomas Midgley Jr.
Midgley Jr. was a chemist who had a lot of success solving a lot of tough car issues while working for General Motors. One such idea was coming up with the additives that were put in gasoline to avoid engine knocking, as well as coming up with leaded gasoline and chlorofluorocarbons (CFS), which is the reason we’re losing our ozone layer, but hey, at least your car doesn’t sound like it’s chewing softballs under the hood, right?
Ironically, his death had nothing to do with his day job. He contracted polio late in life, so he invented a series of harnesses to get him in and out of bed. One day, his invention, the one that was supposed to help, decided to strangle him in his bed.