Continuing the roll call of the 1975 Nobel Prizes, Sweden's Karolinska Institutet and Royal Academy of Sciences last week named ten winners (left to right, below), four of them Americans, in four different areas of science. Prizes in each category total $143,000.
PHYSIOLOGY OR MEDICINE: Renato Dulbecco, 61, Howard Temin, 40, and David Baltimore, 37.
Before discoveries made by this trio, doctors knew that viruses could enter a cell, seize control of its machinery and force it to reproduce copies of the viral invaders. Dulbecco, an Italian now working in London, demonstrated that the...