Art Sandwiched In Robert Kaul, professor emeritus in the School of Biological Sciences, will speak on Severin Roesens Still Life with Champagne Glass at 12:15 p.m. Feb. 20 in the Sheldon Memorial Art Gallery. Recently retired after teaching botany since 1964, Kaul has an interest in specimens of flora such as those presented in Roesens still-life painting. For more information, call 472-2461.