The errors of definitions multiply themselves according as the reckoning proceeds; and lead men into absurdities, which at last they see but cannot avoid, without reckoning anew from the beginning.

1. THE QUANTUM - Max Planck (1900)
2. HORMONES - William Bayliss and Ernest Starling (1902)
3. THE PARTICLE NATURE OF LIGHT - Albert Einstein (1905)
4. SPECIAL RELATIVITY - Albert Einstein (1905)
5. THE NUCLEUS OF THE ATOM - Ernest Rutherford (1911)
6. THE SIZE OF THE COSMOS - Henrietta Leavitt (1912)
7. THE ARRANGEMENT OF ATOMS IN SOLID MATTER - W. Friedrich, P. Knipping, and M. von Laue (1912)
8. THE QUANTUM ATOM - Niels Bohr (1913)
9. THE MEANS OF COMMUNICATION BETWEEN NERVES - Otto Loewi (1921)
10. THE UNCERTAINTY PRINCIPLE - Werner Heisenberg (1927)
11. THE CHEMICAL BOND - Linus Pauling (1928)
12. THE EXPANSION OF THE UNIVERSE - Edwin Hubble (1929)
13. ANTIBIOTICS - Alexander Fleming (1929)
14. THE MEANS OF PRODUCTION OF ENERGY IN LIVING ORGANISMS - Hans Krebs and W. A. Johnson (1937)
15. NUCLEAR FISSION - Otto Hahn and Fritz Strassmann (1939); and Lise Meitner and Otto Frisch (1939)
16. THE MOVABILITY OF GENES - Barbara McClintock (1948)
17. THE STRUCTURE OF DNA - James D. Watson and Francis H. C. Crick (1953); and Rosalind E. Franklin and R. G. Gosling (1953)
18. THE STRUCTURE OF PROTEINS - Max F. Perutz, M. G. Rossmann, Ann F. Cullis, Hilary Muirhead, Georg Will, and A. C. T. North (1960)
19. RADIO WAVES FROM THE BIG BANG - Arno A. Penzias and Robert W. Wilson (1965); and Robert H. Dicke, P. James E. Peebles, Peter G. Roll, and David T. Wilkinson (1965)
20. A UNIFIED THEORY OF FORCES - Steven Weinberg (1967)
21. QUARKS - M. Breidenbach, J. I. Friedman, H. W. Kendall, E. D. Bloom, D. H. Coward, H. DeStaebler, J. Drees, L. W. Mo, and R. E. Taylor (1969)
22. THE CREATION OF ALTERED FORMS OF LIFE - David A. Jackson, Robert H. Symons, and Paul Berg (1972)