Radio: Program Preview, Sep. 2, 1946

For seven days, beginning Sunday, Sept. 1. (All times are E.D.S.T.)

Invitation to Learning (Sun. 12 noon, CBS). Poet Edgar Lee Masters (Spoon River Anthology), Yale Professor (of Greek) Eugene O’Neill Jr. and New Republic Editor Malcolm Cowley debate H. L. Mencken’s American Language.

National Air Races (Sun. 4p.m., CBS). Jet-plane sprints at Cleveland for military pilots; Monday at 5 p.m., the Thompson Trophy race.

NBC Symphony (Sun. 5 p.m., NBC). Cowtown Suite, by young (34) U.S. Composer Don Gillis. Conductor: Frank Black.

Jean Sablon (Sun. 5:30 p.m., CBS). France’s Sinatra begins a U.S. radio series.

Eric Johnston (Sun. 7 p.m., ABC). The Motion Picture Association president stands in for Drew Pearson.

Edgar Bergen (Sun. 8 p.m., NBC). Start of another season for Charlie McCarthy & friend.

Hour of Mystery (Sun. 10 p.m., ABC). The 39 Steps, John Buchan’s spy yarn, starring David Niven.

Labor Day Events (Mon. 6:15 p.m., NBC). A.F.L. Leader William Green’s annual address; on Mutual, 7:15 p.m., Labor Secretary Lewis Schwellenbach.

Suspense (Thurs. 8 p.m., CBS). You’ll Never See Me Again, the story of a man who has all sorts of trouble proving he committed murder.

Boxing (Fri. 10 p.m., Mutual). Fifteen rounds in Madison Square Garden for the world’s welterweight championship between Champion Marty Servo and Challenger Ray (“Sugar”) Robinson.

National Farm & Home Hour (Sat. 1 p.m., NBC). The Hour’s first fall program: a special report from the 42-nation U.N. food conference at Copenhagen, by Keith Himebaugh, information director of the U.S. Agriculture Department.