我是１９３９年到昆明西南联合大学化学系的插班生，之前我曾在抗战中搬到上海慈淑大楼临时建校的东吴大学化学系念书。到昆明读书多是较清贫的学生，接受学校很少的助学金。１９４０年我选修曾昭抡先生开设的《工业化学》课。他的渊博知识和化工实际经验，吸引了许多化学系学 I was a transfer student to the Department of Chemistry, Southwest United University in 1939. Before that, I moved to the Chemistry Department of Soochow University, a temporary school founded by Shanghai Cheshu, in the War of Resistance Against Japan. Most students in Kunming are poorer students and receive very little grants from schools. In 1940 I chose Mr. Cheng Zhaoyan’s “Industrial Chemistry” course. His profound knowledge and practical chemical experience have attracted many academic departments of chemistry