Edward_Albert_Sharpey-Schafer--Christian_Felix_Klein

Sir Edward Albert Sharpey-Schafer FRS FRSE FRCP (2 June 1850 – 29 March 1935) was a British physiologist.
He is regarded as a founder of endocrinology: in 1894 he discovered and demonstrated the existence of adrenaline together with George Oliver, and he also coined the term "endocrine" for the secretions of the ductless glands. Schafer's method of artificial respiration is named after him.Schafer coined the word "insulin" after theorising that absence of a single substance normally produced by the pancreas was responsible for diabetes mellitus.