Norman Reynolds James (1908-1987) was an Australian anaesthetist, inventor and educator. Harrington-James ventilator, James Autohand Ventilator, Royal Melbourne (R.M.) resuscitator
V.Ray Bennett (1922 – 1996) was an American engineer whose contributions to respiratory medicine resulted in saving thousands of lives during the Polio epidemic
Carl Gunnar Engström (1912 – 1987) was a Swedish physician and engineer; inventor of the Engström universal respirator a positive pressure mechanical ventilator
Ernst Trier Mørch (1908-1996) was a Danish-American anesthesiologist, inventor, geneticist and humanitarian. Mueller-Mørch ventilator (1954); Mørch Laryngoscope (1951)