Tibetologist Elliot Sperling (Elliot Shi Boling) and author of "The China-Tibet Conflict: History and Polemics," was denied entry to China at Beijing Airport after getting a visa in Chicago without any apparent issues. Indiana University Professor Elliot Sperling arrived in Beijing Capital International Airport on July 5 when he was refused entry by the Chinese police and detained in separate room for one and a half hours before his ticket was changed so that he could exit China.