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Leroy L. Chang (; 20 January 1936 – 10 August 2008) was an experimental physicist and solid state electronics researcher and engineer. Born in China, he studied in Taiwan and then the USA, obtaining his doctorate from Stanford University in 1963. As a research physicist he studied semiconductors for nearly 30 years at IBM's Thomas J. Watson Research Center, New York. This period included pioneering work on superlattice heterostructures with Nobel Prize-winning physicist Leo Esaki. In 1993, Chang moved from New York to Hong Kong, switching from industrial research into academia in anticipation of the 1997 transfer of the British colony to China. He was among the first wave of recruits to the Hong Kong University of Science and Technology. Over the following 14 years he helped build the university's reputation in his roles as Dean of Science, Professor of Physics, Vice-President for Academic Affairs, and Emeritus Professor. He retired in 2001. Honours bestowed on Chang included membership of the US National Academy of Sciences, the Chinese Academy of Sciences, and Academia Sinica, the national academy of Taiwan. Awards received included the International Prize for New Materials (1985), the David Sarnoff Award (1990) and the Stuart Ballantine Medal (1993). Chang's death in 2008 was marked with memorial services, and a symposium in his memory was held the following year. ==Early life and education== Leroy L. Chang's family was from Jiutai County, Jilin province in Northeastern China (Manchuria). After Manchuria was occupied by Imperial Japan in 1931, his family escaped to inland China and Chang was born on 20 January 1936 in Kaifeng, Henan province. His father was Zhang Shenfu (张莘夫), a well-known geologist and Republic of China official〔 who was assassinated by the Communists in 1946. After moving to Taiwan, Chang studied electrical engineering at National Taiwan University, graduating in 1957. He obtained his master's degree in 1961 at the University of South Carolina.〔(【引用サイトリンク】publisher=Hong Kong University of Science and Technology )〕 His doctorate (PhD) in solid-state electronics and electrical engineering was awarded by Stanford University in 1963.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Leroy Chang」の詳細全文を読む スポンサード リンク
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