AFTER winning the War of 1914, the Allies lost the peace because of the inability of statesmen and public opinion to understand the dependence of national security on world order and the dependence of world order upon truly workable international relations. After the defeat of Nazism, the mistakes of the last twenty-two years must be avoided by the victorious nations. Hitler has a 'new order' for Europe which is apparently an old-fashioned Roman peace. Aside from the very general Atlantic Charter signed by President Roosevelt and Mr. Churchill, no definite peace plans have been advanced by the Allies, although many groups both in and out of Government circles are working on aspects of the problem. The American Academy of Arts and Sciences is devoting its regular monthly meetings, November until May, to the subject of “Analysis of Post-War Problems and Procedures”. The Academy, which has approximately eight hundred members elected from a wide variety of professional fields, includes men who are competent to give considered views on the natural and social sciences and in engineering and affairs; and the meetings are being held on the second Wednesday of the month at its Boston house under the chairmanship of Dr. Harlow Shapley, president of the Academy. On the Monday following, there is a forum directed by leaders chosen to discuss matters raised by the preceding Wednesday evening's speaker.