科技界有名望的学者、专家大都年逾古稀,他们中的大多数是我国科技界各学科的开创者或带头人,为我国的科技事业作出了不可磨灭的贡献。随着年月的推延,他们有的相继离开了我们。每当噩耗传来,我们为科技界失去了尊敬的长者,感到悲痛。悲痛之际又感到十分遗憾。不少学者、专家生前我们没有建立他的业务档案,大批的专著、手稿、图纸、书信等散失。在社会上,有名的学者、专家逝世后,为了开纪念会或出版专集,有关部门要化费很大的力量向各方收集材料,但是无论怎样的努力 Most of the prestigious academics and experts in science and technology are mostly young and old. Most of them are pioneers or leaders of various disciplines in science and technology in our country and have made indelible contributions to China’s science and technology. With the delay of years, some of them have left us one after another. Whenever bad news comes, we feel grieved for losing the respectable elders to the scientific and technological community. On the occasion of grief, I feel very regrettable. Many academics and experts did not establish his business records before his death; a large number of monographs, manuscripts, drawings, correspondences, etc. were lost. In the society, after the death of a famous scholar and expert, the departments concerned have to spend a great deal of effort to collect materials from all parties in order to open commemorative meetings or to publish special collections. However, no matter what kind of efforts