A thorough study of the evolution of space-time theories prior to Einstein, which republishes the relevant works of Einstein's predecessors, including: OCELLUS LUCANUS, JOHN LOCKE, DAVID HUME, HENRY MORE, ISAAC NEWTON, SAMUEL CLARKE, THOMAS REID, JEAN LE ROND D'ALEMBERT, ROGER JOSEPH BOSCOVICH, JOSEPH LOUIS LAGRANGE, GEORG SIMON KLUGEL, ARTHUR SCHOPENHAUER, GUSTAV THEODOR FECHNER, WILLIAM ROWAN HAMILTON ( by E. H. Synge), EUGEN KARL DUHRING, WOLDEMAR VOIGT, HENRI BERGSON, RUDOLF MEWES, H. G. WELLS, JAMES H. HYSLOP, G. F. FITZGERALD, JOSEPH LARMOR, H. A. LORENTZ, MELCHIOR PALAGYI, GEORGE STUART FULLERTON, HENRI POINCARE, RUDOLF MEHMKE, PAUL LANGEVIN, ROBERTO MARCOLONGO, LADY VICTORIA WELBY, RICHARD HARGREAVES and HERMANN MINKOWSKI."