Complex sentence: Starr received in 1979 the Walter H. Zinn Award from the American Nuclear Society, and in 1990 he was awarded the National Medal of Technology by then President George H. W. Bush.
Split into simpler sentences: Starr received in 1979 the Walter H. Zinn Award from the American Nuclear Society. In 1990 he was awarded the National Medal of Technology by then President George H. W. Bush.