KOYRE, CHEEVER SPEAK

Alexander Koyre of the University of Paris, an eminent historian of science, will deliver the annual Horblit Lecture on Newton and Descartes tonight at 8 p.m. in Allston Burr Lecture Hall. Professor Koyre is currently a member of the Institute for Advanced Study at Princeton.

Also, Daniel S. Cheever '39, Special Research Assistant to the President, will speak on "The Foreign Policy Makers of the Kennedy Administration," in the Lower Common Room of the Union tonight at 8 p.m.