George Edward Fell (1849 – 1918); American surgeon and engineer. Innovator of Forced respiration (IPPV), Fell laryngeal tube, the electric chair and Fell apparatus
Rudolph Matas (1860 – 1957) was an American vascular surgeon; prominent figure and pioneer to the fields of both surgery and anaesthesia.
Joseph O'Dwyer (1841 – 1898) was an American physician. Father of laryngeal intubation in croup; O'Dwyer plain tube; system for intralaryngeal intubation; Fell-O’Dwyer apparatus