1822 : Louis Pasteur : He introduced the concept of non-specificity in bodily reactions contrast 1865 : Claude Bernard 1871-1945 : Walter Cannon 1936 : Hans Seyle 1932 : Williams Harvey Cushing 1936 : Marshall 1966 : Richard Lazarus 1931-2017 : Macimo Fagioli 1924–2014 : John W.Mason 2000 : Bruce McEven 2004 : Robert Sapolsky 2000 : J.W Hennesy and S.Levine