November 25th
- American physician and author best known for his reflective essays on a wide range of topics in biology.
- Thomas made an impact by suggesting that an immunosurveillance mechanism protects us from the possible ravages of mutant cells, an idea later championed by Macfarlane Burnett.
- He also proposed that viruses have played a major role in the evolution of species by their ability to move pieces of DNA from one individual.
