Scope and Content From the Collection: This collection contains the papers of George Myron Shear, a plant pathologist and physiologist at Virginia Polytechnic Institute from 1930 to 1970. Among the correspondence are several 1927 letters from the laboratory of Thomas A. Edison regarding a project in which Shear was to collect for the lab various botanical samples of plants containing a milkly latex. Included among these are photocopies of two letters from Thomas A. Edison. (The project arose from Edison's attempt to develop a...