He Zhuguo
During his stay in northern Shaanxi, He Zhuguo went to Yan'an three times to solve military problems and was welcomed by Mao Zedong. Among them, in the autumn of 1939, He Zhuguo led his department to relocate to southern Henan, passing Yan'an. The military circles of Yan'an held a welcome party for him. Mao Zedong gave a welcome speech in person.