Solomon A. Berson

…a colleague, the American physician Solomon A. Berson, Yalow began using radioactive isotopes to examine and diagnose various disease conditions. Yalow and Berson’s investigations into the mechanism underlying type II diabetes led to their development of RIA. In the 1950s it was known that individuals treated with injections of animal…

…against hormones, Rosalyn Yalow and S.A. Berson in 1960 discovered the basis for radioimmunoassays, which enable endocrinologists to determine with great precision minute amounts of hormone, permitting the early diagnosis and treatment of endocrine disorders.