Years after trademarking procaine as “Novocain,” U.S.-born German-American Herman A. Metz discovered that this action had unintentionally complicated the American military’s procurement of World War I local anesthetics. A colonel and eventually a general in the National Guard, Metz trademarked a hexagonal ring logo bearing letters from his company, HA METZ LAB. Metz, his wife, and founding father Alexander Hamilton were memorialized by the naming of Hamilton-Metz Field in Brooklyn, New York. (Copyright © the American Society of Anesthesiologists’ Wood Library-Museum of Anesthesiology.)

Years after trademarking procaine as “Novocain,” U.S.-born German-American Herman A. Metz discovered that this action had unintentionally complicated the American military’s procurement of World War I local anesthetics. A colonel and eventually a general in the National Guard, Metz trademarked a hexagonal ring logo bearing letters from his company, HA METZ LAB. Metz, his wife, and founding father Alexander Hamilton were memorialized by the naming of Hamilton-Metz Field in Brooklyn, New York. (Copyright © the American Society of Anesthesiologists’ Wood Library-Museum of Anesthesiology.)

George S. Bause, M.D., M.P.H., Honorary Curator and Laureate of the History of Anesthesia, Wood Library-Museum of Anesthesiology, Schaumburg, Illinois, and Clinical Associate Professor, Case Western Reserve University, Cleveland, Ohio. UJYC@aol.com.