Paul Rappaport was an American physicist and a solar energy expert. Career. Paul Rappaport joined RCA Corporation in 1949. He was originally researching transistors and integrated circuits. Since 1953, he contributed most of his time on energy conversion and solar photo cells. He left RCA Corporation in 1977. He is also the founding director of the Solar Energy Research Institute in Golden, Colorado. IEEE Paul Rappaport Award. To commemorate Dr. Rappaport's contributions, the IEEE Paul Rappaport Award was established in 1984. One paper is selected from IEEE Electron Devices Society each year. Death. He died in 1980 after combating a long illness.