据陕西省党史资料记载:陕西最早与毛泽东同志结识和交往的人是杨钟健。古脊椎动物学家杨钟健在他的回忆录中写道:“我同毛泽东先生,早在‘五四’之前,在北大便有接触。”这指的是1918年,即杨钟健在北京大学理预科学习的第二年。当时,北大的社会团体如雨后春笋,《新青年》等一些刊物深受进步 According to the history data of Shaanxi province, Yang Zhongjian was the earliest person in Shaanxi to get acquainted with Comrade Mao Zedong. The ancient vertebrate zoologist Yang Zhongjian wrote in his memoirs: “I, as far as Mao Zedong, came in contact with Peking University long before the May Fourth Movement.” This refers to the year 1918 when Yang Zhongjian was in Beijing The second year of pre-university study. At that time, Peking University social groups such as springing up, “New Youth” and some other publications by the progress