"An important contribution to the problem of the transition from the world view characteristic of the medieval centuries to that which rapidly gained acceptance after the seventeenth century." (Philosophical Quarterly)
"Koyré has provided the material and has illuminated it with uniformly perceptive and occasionally brilliant commentary.... An important contribution to the study of 17th-century thought." (Thomas S. Kuhn, Science)
"A model of scholarliness without pedantry, of clarity without oversimplification." (Arthur Koestler, Encounter)
"Surely a work that will be welcomed alike by the scientist, philosopher, and historian of ideas." (Philosophy and Phenomenological Research)
Alexandre Koyré was a member of the Institute for Advanced Study, Princeton, and professor at the Ecole Pratique des Hautes Etudes in Paris. His books include Discovering Plato and Newtonian Studies.