This letter was written from the Peking Hotel. Joseph Needham describes his meetings with scientists, gathering information for his medical chapter (including meetings with parasitologists Feng Lan-Chou [Feng Lanzhou 馮蘭洲], [Reinhard] Hoeppli and entomologist Chu Hung-Fu [Zhu Hongfu 朱弘复], a visit to the Pei Ta [Bei Da 北大] Medical School, a talk with Chhien San-Chhiang [Qian Sanqiang 錢三强] about Needham’s role and the purpose of the liaison group and impressions of the Chinese people