Progressive surgeon W[illiam] W[illiams] Keen (1837-1932), a graduate of Central High School, taught at the Woman’s Medical College of Pennsylvania and later at his medical alma mater, Jefferson Medical College. He advocated laboratory research and accepted the germ theory. Keen also counts as a pioneer in neurological surgery and collaborated with S. Weir Mitchell (1829-1914) in studies of nerve injury acquired during the Civil War. He also taught anatomy at the Pennsylvania Academy of the Fine Arts. (National Library of Medicine)
