David John Impastato, M.D. – born January 8, 1903 (Mazara del Vallo, Sicily), died February 28, 1986 (Pasadena, California) – was a neuropsychiatrist who pioneered the use of electroconvulsive therapy (ECT) in the United States. A treatment for mental illness initially called "electroshock," ECT was developed in 1937 by Dr. Ugo Cerletti and Lucio Bini, working in Rome. Impastato has been credited with the earliest documented use of the revolutionary method in North America, administered in early 1940 to a schizophrenic female patient in New York City. Soon after, he and colleague Dr. Renato Almansi completed the first case study of ECT to appear in a U.S. publication. Impastato spent the next four decades refining the technique, gaining recognition as one of its most authoritative spokesm