This is the first artificial splitting of the atom, the discovery of the neutron, and the cosmic ray showers which gave a beautifully vivid picture of antimatter freshly discovered in the United States. (scientificamerican.com)
The invention of the oral contraceptive pill must rank with the splitting of the atom and the unraveling of the DNA double helix as one of the three scientific achievements of the twentieth century with world - historical impact. (firstthings.com)