Guan De

He served as Chief Engineer and Vice President of Shenyang Aircraft Corporation, Deputy Director of the Civil Aviation Administration of China, and professor of Beihang University.

[1][2] His father, Yin Fengming (尹凤鸣), was educated in Japan, taught at the Baoding Military Academy, and held the rank of major general.

[2] Because of Japanese invasion of China, Guan did not go to school and was educated at home until the end of the Second Sino-Japanese War in 1945.

[2] After graduating from Tsinghua in 1952, he was assigned to work at the Bureau of Aviation Industry under the Second Ministry of Machine Building.

When the 601 Institute of the Ministry of National Defense was established in 1961, Guan was named the head of its aeroelasticity group.