Volume 1: general survey, Philip E.B.Jourdain; historical and biographical, Herbert Westren Turnbull et al; arithmetic, numbers and the art of counting, Archimedes et al; mathematics of space and motion, William Kingdon Clifford et al. Volume 2: mathematics and the physical world, Galileo Galilei et al; mathematics and social science, Edwin G.Boring; the laws of chance, Pierre Simon de Laplace. Volume 3: statistics and the design of experiments, John Graunt; the supreme art of abstraction - group theory, Cassius J.Keyser et al; mathematics of infinity, Bertrand Russell et al; mathematical truth and the structure of mathematics, Carl G.Hempel et al; the mathematical way of thinking, James Joseph Sylvester; mathematics and logic, George Boole; the unreasonableness of mathematics, Edward Kasner et al; how to solve it, G.Polya et al. Volume 4: the mathematician, G.H.Hardy et al; mathematical machines - can a machine think, A.M.Turing; mathematics in warfare, Frederick William Lanchester et al; a mathematical theory of art, George David Birkhoff; mathematics of the good - mathematics in literature, Jonathan Swift et al; mathematics and music, Sir James Jeans; mathematics as a culture club, Oswald Spengler et al; amusements, puzzles, fancies, Augustus De Morgan et al.