| A | B |
| Louis Pasteur | rabies |
| Alexander Oparin | life on Earth developed by chance |
| Wilder Penfield | Montreal Neurological Institute |
| Francisco Redi | refuted spontaneous generation |
| Stanley Miller | experiment on the origin of life |
| Theodor Schwann | development of cell theory |
| Rudolf Virchow | Father of Pathology |
| Albert Sabin | oral polio vaccine |
| Matthias Schleiden | co-founder of cell theory |
| Walter Sutton | Boveri-Sutton Chromosome Theory |
| Christopher Woodcock | closed chromatin loops |
| Alexander Wiener | Forensic medicine |
| John Watson | behaviourism |
| Tim White | physical anthropologist |
| Maurice Wilkins | nucleic acid cells |
| Oswald Avery | one of the 1st molecular biologists |
| Boysen Jenson | Danish plant physiologist |
| Luther Burbank | American botanist |
| Francis Crick | DNA |
| G. Cairns Smith | Clay minerals - origin of life |
| Robert Hooks: experimental | scientist of the 17th C. |
| Charles Darwin: theory of | evolution by natural selection |
| Jon van Helmont: founder of | "pneumatic chemistry" |
| James Herrick: | sickle-cell disease |
| Alexander Fleming | penicillin |
| Robert Kock:one of the | founders of bacteriology |
| Jan Ingenhouez | an understanding of photosynthesis |
| Colin Macleod: | genetist |
| Barbara McClintock: | cytogeneticist |
| Thomas Malthus: quantitive | development of human populations |
| Maclyn McCarthy | genetic engineering pioneer |