Science and hypothesis / Henri Poincaré ; translated by William John Greenstreet -- Scientific autobiography and other papers / Max Planck ; translated by Frank Gaynor -- An introduction to mathematics / Alfred North Whitehead -- Relativity : the special and the general theory / Albert Einstein ; translated by Robert W. Lawson -- The expanding universe / Sir Arthur Eddington -- Selections from Atomic theory and the description of nature ; Discussion with Einstein on
epistemological problemns in atomic physics / Niels Bohr -- A mathematician's apology / G.H. Hardy -- Physics and philosophy / Werner Heisenberg -- What is life? / Erwin Schrödinger -- Genetics and the origin of species / Theodosius Dobzhansky -- The nature of life / C.H. Waddington.