叶企孙教授是我国物理学界的老前辈,他从自然科学整体教育出发,对我国物理学的教育、人才培养和科学研究的发展曾作出了卓越的、不可磨灭的贡献.在北京举行中国物理学会第四次会员代表大会之际,我们怀着无限深情,缅怀这位可敬的老前辈,他的品格、精神和业绩永远留在我国科学界 Professor Ye Qisun, a veteran of physics in China, proceeded from the overall education of natural sciences and made outstanding and indelible contributions to the education, personnel training and development of science in our country .In China, On the occasion of the Fourth Member Congress, we cherish infinite affection and cherish the memory of this venerable old man whose character, spirit and performance will always remain in the scientific community of our country