 He helped develop synthetic rubber during World War II, he was involved in early experiments of zone melting, he is credited with devising the method of transistor production yielding diffusion transistors, he produced some of the first solar cells with high efficiency, and he researched polymers and their applications.Calvin Fuller was born in Chicago 25 May 1902 to Julius Quincy and Bessie Souther Fuller.Studying chemistry at the University of Chicago, he received his B.S.