汤定元先生是我国著名物理学家,中国科学院院士.今年5月12日是他80周岁生日.半个多世纪以来他将自己的才华和精力无私地奉献给我国的科学事业,作出了杰出的贡献.他是本刊的创始人和第一届至第四届主编,现任名誉顾问.笔者作为汤定元先生的学生,多年来深受教诲,谨此介绍汤先生部 Mr. Tang Dingyuan, a famous physicist and academician of Chinese Academy of Sciences, was his 80th birthday on May 12. This year, he made outstanding contributions to his scientific endeavors by selflessly devoting his talent and energy to our country for more than half a century He is the founder of this magazine and the first to the fourth chief editor, now honorary consultant.The author as a student of Mr. Tang Dingyuan, for many years by the teachings, would like to introduce Mr. Tang