This open access book is intended for common readers who are interested in the life story of Qian Xuesen (also know as Tsien Hsue-Shen). Based on a large number of original archives and historical materials, this book focuses on Qian Xuesen’s years of seeking knowledge from his birth in 1911 to his return to China in 1955 and describes how he grows into a world-known scientist from the aspect of humanity. This book can be used as reference material for Qian Xuesen’s earlier years.