我和宋涛同志相识于1948年,屈指算来已经56年了。那时宋涛同志在正定担任华北大学的区队长,我是学员。人民大学成立后,宋涛同志任经济学系主任,我是学生。后来,宋涛同志任政治经济学教研室主任,我是研究生。毕业后,我又在他的直接领导下从事教学和科研工作。在长期的交往中,我 Comrade Song Tao and I met each other in 1948 and have been calculating for 56 years. At that time, Comrade Song Tao was appointed as captain of North China University and I was a student. After the founding of Renmin University, Comrade Song Tao was Dean of Economics and I was a student. Later, Comrade Song Tao, director of Political Economics Department, I was a graduate student. After graduation, I engaged in teaching and scientific research under his direct leadership. In long-term contacts, I