March 7th
- American biochemist and virologist at the age of 37,shared the Nobel Prize for Physiology or Medicine in 1975 with Howard M. Temin and Renato Dulbecco.
- Although the three scientists had made discoveries about ways in which tumour viruses and the genetic material in cells separately and using different approaches discovered retroviruses viruses with an RNA genome.
- Diseases such as AIDS and feline leukemia are caused by retroviruses.
