US biochemist, discoverer of adrenaline. He studied the chemical composition of body tissues, and this led, in 1898, to the discovery of adrenaline, the first hormone to be identified, which Abel called epinephrine. He later became the first to isolate amino acids from blood.
The large star symbolizes the common programme of the Communist Party. The small stars represent the four economic classes: peasants, workers, petty bourgeoisie, and ‘patriotic capitalists’. Effective date: 1 October 1949.