Proteins were first described by the Dutch chemist Gerardus Johannes Mulder and named by the Swedish chemist Jöns Jacob Berzelius in 1838.. [2]
James B. Sumner discovered that the enzyme urease was a protein, showing that protein have a central role
as enzymes in living organisms.[3]
Insulin is the first protein sequenced by Frederik Sanger. He determines that protein are composed of a linear amino acide sequence[4]
First 3D model showing structure of the myoglobin protein by Sir John Cowdery Kendrew[5]
Radioimmunoassay first described in a scientific paper by Rosalyn Sussman Yalow and Solomon Berson [6]
Peter Perlmann and Eva Engvall at Stockholm University in Sweden, and Anton Schuurs and Bauke van Weemen in the Netherlands independently published papers that synthesized this knowledge into methods to perform EIA/ELISA[7] [8]