Astronaut Neil Armstrong Neil Armstrong-2 Neil Armstrong-3 | Chemist Michael Faraday Michael Faraday-2 Michael Faraday-3 | Elements DmitriMendeleev Dmitri Mendeleev-2 Dmitri Mendeleev-3 |
Difference Engine Charles Babbage Charles Babbage-2 Charles Babbage-3 | Antibiotics Alexander Fleming Alexander Fleming-2 Alexander Fleming-3 | Astronomer SirIsaac Newton Sir Isaac Newton-2 Sir Isaac Newton-3 |
Electrons Niels Bohr Niels Bohr-2 Niels Bohr-3 | Astronomer/physicist Galileo Galilei GalileoGalilei-2 Galileo Galilei-3 | Pasteurization LouisPasteur Louis Pasteur-2 |
Astronomer TychoBrahe Tycho Brahe-2 Tycho Brahe-3 | Astrophysicist Margaret Geller Margaret Geller-2 Margaret Geller-3 | Physicist Raymond Plante Raymond Plante-2 Raymond Plante-3 |
Hydrogen Henry Cavendish Henry Cavendish-2 Henry Cavendish-3 | Cells Robert Hooke Robert Hooke-2 | Astronomer Ptolemy Ptolemy-2 Ptolemy-3 |
Astronomer/physicist Anders Celsius Anders Celsius-2 Anders Celsius-3 | Space Edwin Hubble Edwin Hubble-2 Edwin Hubble-3 | immuology Jonas Salk JonasSalk-2 Jonas Salk-3 |
Radium MarieCurie Marie Curie-2 Marie Curie-3 | Helium Joseph Lockyer JosephLockyer-2 Joseph Lockyer-3 | Oxygen CarlScheele Carl Scheele-2 CarlScheele-3 |
Elements John Dalton JohnDalton-2 John Dalton-3 | WirelessCommunication Guglielmo Marconi Guglielmo Maroni-2 Guglielmo Maroni-3 | Acids S.P.L. Sorenson S.P.L. Sorenson-2 |
Inventor Thomas Edison ThomasEdison-2 Thomas Edison-3 | Heredity Gregor Mendel Gregor Mendel-2 Gregor Mendel-3 | Research Lewis Urry Lewis Urry-2 Lewis Urry-3 |