Who was Thomas midgley?

Thomas Midgley Jr. was an American engineer and inventor, best known for his work in developing leaded gasoline and chlorofluorocarbons (CFCs). Born in 1889, he significantly contributed to the automotive and refrigeration industries during the early 20th century. However, his inventions had severe environmental and health consequences, leading to the eventual phase-out of leaded gasoline and CFCs due to their roles in air pollution and ozone depletion. Midgley's legacy is a cautionary tale about the unintended effects of technological advancements.