1772. Carl Wilhelm Scheele, Swedish chemist, discovered oxygen, naming it “fire air”…
1796. Beddoes and Watt published the first book on treatment using oxygen.
1885. E. T. Williams, in the British Medical Journal, made a comment, which would be thought by many to be applicable today.
1895. John Scott Haldane, “father of stage decompression”, demonstrated that mice intoxicated with carbon monoxide would not develop symptoms in hyperbaric oxygen environment at 2.0 bars.
1928. In Cleveland, Dr Cunningham constructed the largest chamber ever built – five stories high and 64 feet in diameter. Each floor had 12 bedrooms with all the amenities of a good hotel. At that time it was the only functioning hyperbaric chamber in the world.
1937. Behnke and Shaw used hyperbaric oxygenation for the first time to treat decompression sickness.
1938. The Brazilians Ozorio de Almeida and Costa used hyperbaric oxygen to treat leprosy.
1942. The Americans End and Long used hyperbaric oxygen to treat experimentally induced carbon monoxide intoxication in laboratory animals.
1954. Churchill-Davidson from Great Britain used hyperbaric oxygen to increase radio-sensitivity of malignant tumors.
1956. Dutch surgeon Ite Boerema, father of modern hyperbaric medicine, commenced with heart surgery in a big hyperbaric chamber, which served as an operation room.
1960. Ite Boerema, experimenting on pigs, demonstrated the possibility of life without blood (erythrocytes) under hyperbaric oxygen conditions.