Nobel Prizes in Chemistry for Respiration Research 1929 Hans von Euler-Chelpin(Sweden) Studies on fermentation of sugars and enzymes 1978 Peter D. Mitchell (United Kingdom) Studies of biological energy transfer development of the chemiosmotic theoryNobel Prizes in Chemistry for Respiration Research 1929 Hans von Euler-Chelpin (Sweden) Studies on fermentation of sugars and enzymes 1978 Peter D. Mitchell (United Kingdom) Studies of biological energy transfer, development of the chemiosmotic theory