On October 1, 2019 (September 3, 2019 lunar calendar), Wen Chuanyuan, the developer of our country's first drone, passed away. He was a famous educator and scientist in the field of aerospace in our country, and a leader in the field of aircraft control, guidance and simulation in our country. He was a professor of Beijing Airlines Wen Chuanyuan. On October 1, 61 years ago, he worked hard for 300 days to develop our country's first drone "Beijing No. 5". On October 1, 2019, he died in Beijing due to ineffective medical treatment at the age of 101. Salute! Wenchuanyuan