abstract:Howard Aaron Engle (September 11, 1919 – July 22, 2009) was an American pediatrician and lifelong smoker who was one of the plaintiffs in a class action lawsuit filed against the tobacco industry, in which Engle claimed that he smoked multiple packs of cigarettes daily since he was in college and was unable to quit despite multiple attempts even after contracting emphysema, continuing to smoke until his death.