1. Biologists and their Contributions

2. Filipino Biologists
Pedro B. Escuro – Filipino plant breader who developed several varieties of rice
2. Claire Baltazar – Filipino entomologist who studied different insects affecting yields of important crops
3. Asuncion K. Raymundo – Filipino microbiologist who identified the genetic cause of a disease in banana through techniques in molecular biology

3. Filipino Biologists
Jose R. Velasco – Filipino plant physiologist known for his research in cadang cadang disease of coconut
Edgardo Gomez – Filipino marine biologist who is known for his work on conservation of marine ecosystems
6. Romulo Davide – Filipino nematologist who studied several species of nematodes affecting important crops

4. Foreign Biologists
Carl Linnaeus – Swedish naturalist who developed the binomial system of classifying organisms
Anton Van Leeuwenhoek – Dutch microscopist and naturalist who developed the simple microscope and discover protozoans
Charles Darwin and Alfred Wallace – separately formulated the theory of evolution by natural selection
4. James Watson and Francis Crick – built structure of the genetic material (DNA)