1. He received an honorary doctor of science degree from Purdue University in 2003 (to add to his 1969 Ph. 2003年他获得普渡大学的荣誉科学博士学位（他于1969在那里获得博士学位）。
2. Mr. Chang holds a BA in mathematics/physics and Doctor of Science (Hon. ) from California State University and an MBA from Pepperdine University. 张先生是加州州立大学数学/物理学士和荣誉博士，佩普丹大学工商管理硕士。
3. Guo Jinhai: Doctor of Science, Assistant Researcher, Institute for the History of Natural Science at the Chinese Academy of Sciences, Beijing 100010. 郭金海：理学博士，助理研究员，中国科学院自然科学史研究所，北京100010。
