1920 Sprunt & Evans elucidate infectious mononucleosis.
1921 Mellanby describes vitamin D – Rickets link.
1922 Bohr: Nobel Prize in Physics for discovery of isotopes in many non-radioactive elements & for enunciation of the whole-number rule.
1923 Banting describes use of insulin for diabetes treatment.
1923 1st vaccine for diphtheria.
1925 Zsigmondy: Noble Prize in Chemistry for demonstration of heterogeneous nature of colloid solutions.
1925 Cooley & Lee 1st describe thalassemia.
1925 von Willebrand 1st describes von Willebrand Disease.