1995年2月25日凌晨2时15分，清华大学一级教授、中国科学院院士、中国真空学会名誉理事孟昭英先生溘然长逝，享年89岁。孟昭英先生是国内外知名的物理学家和无线电电子学家，我国无线电电子学事业的奠基人之一，教育界著名人士。他对我国的科技教育事业作出了重要贡献，培养了 At 2:15 on February 25, 1995, Prof. Meng Zhaoying, a professor at Tsinghua University, a member of the Chinese Academy of Sciences and honorary director of the Chinese Society of Vacuum, passed away at the age of 89. Mr. Meng Zhaoying is a well-known physicist and radio electronic scientist both at home and abroad, one of the founders of China’s radio and electronic science undertaking, and a famous person in the education field. He made an important contribution to the cause of science and technology education in our country and has cultivated it