In June 1928, the CCP 6^th National Congress was held in Moscow. Tu Zuochao, during his study in USSR, received a notice to attend the Congress. It was that Congress that he and the radio engineering had ever since made a life-long tie.

Shenghua: In June 1928 he was notified to attend the CCP 6^th National Congress. Before the Congress began, Zhang Guotao, the deputy chairman of CCP delegation stationed in Moscow, talked with him. Zhang told him that CCP Central had read his applications for approvals for him to learn the explosive and bomb skills, but CCP Central did not approve you to learn the military engineering skills. Rather, the CCP Central would like you to learn radio skills. Because, for instance, Zhu De and Mao Zedong had established their base area in Jiangxi Province. But there was no radio communication. So the Red Army failed to mobilize its forces in unit of regiment or regiments. So you need to learn this skill. My father’s attitude then was that he would abide by the Party’s decision. Right after Zhang Guotao’s talk with him, Zhou Enlai talked to him. The contents of the talk were similar. None the less, Zhou Enlai asked him to pay more attention and to devote all his efforts. This was what had happened before the 6^th Congress began.

The 6^th Congress began on June 18, 1928. After the Congress began, Tu Zuochao was worried. Why? One day in June during the Congress, there was a Congress decision. It was decided that each 2 students studying in USSR from Hunan, Hubei, Guangdong and Guangxi Provinces would attend the 6^th Congress first, then after the Congress they return home for work. Before the 6^th Congress, Commintern had made an evaluation of my father, which said that this comrade had a strong sense for organization and discipline, had a high theoretical level and brave fighting spirit, and so on. The most interesting was the Item 9 in the evaluation, which said that this comrade was recommended for propaganda work at least at the provincial level. Based on the 6