On September 9, 2002 (August 3, 2002 in the lunar calendar), famous educator Gu Yuxiu passed away in the United States. On September 9, 2002, Mr. Gu Yuxiu, a well-known educator, scientist, and literary artist, passed away at the University of Oklahoma Medical Center in the United States due to ineffective medical treatment. He was 100 years old. Gu Yuxiu was born in Wuxi, Jiangsu Province on December 24, 1902. He went to the United States to study in 1922 and studied electrical machinery at the Massachusetts Institute of Technology. He received a doctorate in science in 1927. He is well-known in the international applied mechanics community for his research on "nonlinear control". After returning to China, he successively served as Dean of the School of Engineering of National Central University, First Dean of the School of Engineering of Tsinghua University, Deputy Minister of Education of the National Government, First Dean of the National Conservatory of Music, President of Central University, and President of National Chengchi University. After the 1950s, he has served as a professor at the Massachusetts Institute of Technology and the University of Pennsylvania. Retired in 1972 and settled in Philadelphia, USA. Mr. Gu Yuxiu has devoted his life to education, scientific research, and academic undertakings. He integrates arts and sciences, connects China and the West, and publishes more than 60 works of natural science, literature (drama, novels, poetry) and music. From 1972 to 1992, he returned to China many times to visit relatives, visit, and give lectures on invitation, and was cordially received by national leaders. After learning of this, President Jiang Zemin sent a message of condolence to Gu's wife, Ms. Wang Wanjing. President Jiang said in his message of condolence: "I was shocked to learn of the unfortunate death of Teacher Gu and deeply saddened. I would like to express my deep condolences to you and your family. Teacher Gu is knowledgeable about the past and the present, learns from China and the West, teaches and educates people, and teaches the world. He has been diligent in learning all his life, and is concerned about the reunification of the motherland. He has provided suggestions and suggestions, and is admired by everyone. Teacher Gu's lofty spirit will always inspire future generations. Teacher Gu Yuxiu will be immortal." Premier Zhu Rongji of the State Council also sent a message of condolence to Ms. Wang Wanjing on the same day, expressing deep condolences on the death of Teacher Gu and expressing deep condolences to Ms. Wang Wanjing and her family.