Galileo Galilei
Father of modern science
Aristotle
Father of Biology
Marie Curie
Mother of science
Dmitri
Father of periodic table
Democritus
Devised an atomic theory
Justus von Liebig
One of the principal founders of organic chemistry
Hippocrates
Father of Western medicine
Thales of Miletus
Looked for patterns in nature to explain the way the world works; used deductive logic.
Francesco Redi
Founder of experimental biology; challenged spontaneous generation
Louis Pasteur
Microbiologist; put a final end to the idea of spontaneous generation.