Thales, Pythagoras and Anaxagoras, Democritus, Hippocrates, Aristotle, Archimedes, Galen, Ptolemy, Into the Dark ages -and out, Roges Bacon, Coster and Gutenberg, Copernicus, Paracelsus, Tycho Brahe, William Harvey, John Kepler, Gallileo Galilei, Isaac Newton, From Leeuwenhoek to Laplace, Lavoisier, Lamarck, Faraday, Pasteur, Charles Darwin, Gregor Mendel, Hertz, Langley, Einstein, Joseph Lister