V Gen. John Ji. Medaris General Medaris is the commander of the Army Ordance Missile Com mand and chief of the United States’ Space Program. He holds the Legion of Merit with Oak Leaf Cluster and has successfully com pleted the development of the Red stone and Jupiter Missile Systems. Dr. Nabor Carrillo Dr. Carrillo is the rector for the largest university in Mexico and is now serving as president of the National Academy of Sciences. He is Scientific Director of the Study of Sinking of Mexico City for the National Institute of Scientific Re search. National Affairs Wednesday at 1:30 p. m. Major General John B. Medaris will speak in the MSC Ballroom on “Facing the Challenges of the Space Age.” Wednesday at 8 p. m., Sir Les lie Munro will speak in G. Rol- lie White Coliseum on Main taining Effective Alliances Within the United Nations Framework.” * Thursday at 1:30 p. m. The Honorable R. S. S. Gunewar- dene, will speak in the MSC Ballroom on “Coping with Crisis Areas in the Cold War.” and at 8 p. m., in the Ballroom Dr. Howard R. Bowen will talk on “Expanding Our Economy in an Unstable World.” Ambassador R. S. S. Gunewardene Ambassador Gunewardene, Ambas sador of Ceylon, has recently been re-elected Chairman of the Human Rights Commission and appointed concurrently Ceylon’s Minister Plenipotentiary and Envoy Extra ordinary to Cuba and Mexico. He has also served as vice president to the U.N. General Assembly. Howard R. Bowen Dr. Bowen, president of Grinnell College in Iowa is one of America’s most outstanding economists. He has been consultant to a number of federal and state agencies. In 1949 he was a member of the United State tax mission to Japan which reorganized their tax system. Friday at 8 p. m., Dr. Nabor Carrillo will speak in the MSC Ballroom on “Education for World Leadership.”. Saturday, William H. Law rence will give a final wrap-up talk on the week’s events at the noon luncheon. Sir Leslie Munro Sir Leslie is the United Nations Special Representative to the State of Hungary and former New Zea land Ambassador to the United States. Since arriving in the United States in 19. r )2, Sir Leslie has served on a number of sessions and councils in the United Nations. William H. Lawrence Lawrence is the president of the National Press Club and New York Times Correspondent in the Wash ington Bureau. He is an inter national traveler and has worked in his chosen field from numerous areas of the world. the public is welcome to attend all addresses