for his work on ribonucleaseandfor their contribution to the understanding of the connection between chemical structure and catalytic activity of the ribonuclease molecule
for their elucidation of the enzymatic mechanism underlying the synthesis of adenosine triphosphateandfor his discovery of an ion-transporting enzyme, Na+, K+ -ATPase
... within the Democratic Party and pulling it to the Left (pretty much the Trotskyist idea of "entrism"). The left-wing of the SPA, or the Debs Caucus, including ...