Frederick Gardner Cottrell, American physical chemist, inventor and philanthropist (d. 1948)
Frederick Gardner Cottrell (January 10, 1877 – November 16, 1948) was an American physical chemist, inventor and philanthropist. He is best known for his invention of the electrostatic precipitator, one of the first inventions designed to eliminate air pollution—and for establishing the Research Corporation for Science Advancement, a foundation that has funded scientific research since 1912.