| Three years later, behind the long-time lobbying of Wiley, the Pure Food and Drugs Act became law; this prohibited interstate commerce of mislabeled and adulterated drugs and food. Wiley himself emphasized food-related issues as a greater health concern, but he gave some attention to patent medicines and prescription drugs; his successor, Carl Alsberg, elevated the importance of drug matters. | By 1908 the Drug Laboratory underwent its first of what would be many major reorganizations. Renamed the Drug Division, it was divided into four laboratories: the Drug Inspection Laboratory, directed by George Hoover; the Synthetic Products Laboratory which W.O. Emery headed; the Essential Oils Laboratory, under E.K. Nelson; and the Pharmacological Laboratory, directed by William Salant. Kebler remained the Division Director |