Topics include: Yanhua Shih's early interest in physics and in Joseph Weber's experiments on gravitational waves; the Cultural Revolution in China delays Shih's studies; Shih's college studies in China and graduate work at the University of Maryland. His use of spontaneous parametric down conversion; the influence of contacts with Soviet physicsits. Shih takes a job at Baltimore County branch of the University of Maryland. Sheh and Morton Rubin elaborate their biphoton concept; their experiments to elucidate the concept; funding sources.