Notes in Brief

* Benjamin I. Schwartz '33, professor of History and Government, and John M.H. Lindbeck, associate director of the East Asian Research Center, will be on radio WHDH from 10 a.m. until 5 p.m. today in a live broadcast of their testimony before the Senate Foreign Relations Committee. The program will be rebroadcast starting at 1 p.m. Saturday.

* Erich Heller, author of The Disinherited Mind, will lecture on Yeats and Nietzsche tonight at 3:15 p.m. in the Kirkland House Junior Common Room.

* The Honorable Un Van Thai, South Vietnamese ambassador to the U.S., will speak at 3 p.m. tomorrow night in Emerson 105. He resigned from the Diem government over a dispute in 1961, and has been ambassador since last December.