Walter Gropius, professor of Architecture, Emeritus, will be honored at a 75th birthday dinner at the Harvard Club of Boston tomorrow night. The Alumni Association of the Graduate School of Design is sponsoring the event. Earlier tomorrow, a panel discussion on "Art in Architecture" with take place at Rindge Technical School. Speakers will include Jose L. Sert, Dean of the School of Design; Hideo Sasaki, associate professor of Landscape Architecture; Gyorgy Kepes of M.I.T., and three other architects. An exhibit of Gropius' work, "Walter Gropius and Architecture Education at Harvard," is now on display at Robinson Hall (see picture at left). Examples of his earlier work and quotations outlining his philosophy of education and architure are included. There are also illustrations of work done by a group of his students at the University. In the picture, Catherine Herzog 2GSD gazes at some of the works on display at Robinson.