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Born out of a merger in the 1920s between Bayer, BASF, Hoechst, Agfa, and other companies, IG Farben was the fourth-largest concern in the world (after US Steel, General Motors, and Standard Oil). It produced pharmaceuticals, chemicals, high explosives, film, plastics, fuel, rayon, paint, pesticides, car tires, poison gases, lightbulbs, aspirin, margarine, detergents, fertilizer, and much more.
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Adam LeBor (Tower of Basel: The Shadowy History of the Secret Bank that Runs the World)