On the morning of June 30, the Department of Electronic Engineering held a birthday party for the three 90-year old teachers of Lu Dajin, Lu Jiahe and Yao Ji at the Multi-function Hall on the 11th floor of the Rohm Building. Chen Xu, Party Committee Secretary of the university and Vice President Wang Xiqin attended the birthday party.

The three teachers shared their life stories and thoughts with everyone. They have stepped over the life road of nearly a century, experienced the ups and downs of the country at different times, and witness the glorious history of the 100-year history of Tsinghua University. They have worked in Tsinghua for over 60 years and participated in the establishment of the Department of Electronic Engineering and its development. Party Committee Secretary Chen Xu, Vice President Wang Xiqin and Chair of the Department Huang Yidong talked respectively, thanking them for the contributions to the development of Tsinghua University and the Department of Electronic Engineering, and sending their sincere wishes to them.

Nearly 100 teachers and students participated in the birthday party, including retired teachers and friends of the department. Academician He You made a special trip to congratulate his supervisor Mr. Lu Dajin on his birthday. Finally, Jin Depeng, Party Committee Secretary of the Department wished the teachers health and longevity and wished that the Department of Electronic Engineering can inherit and carry forward the good tradition of the older generation and develop faster and better.