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U-M alum and pioneer of Chinese space industry Ren Xinmin dies at 101

For Asian History Month, we reflect on the contributions of Ren Xinman, University of Michigan alum and pioneer of the Chinese space program. | Medium Read
IMAGE:  U-M alum Ren Xinmin

For Asian History Month, we reflect on the contributions of Ren Xinman, University of Michigan alum and pioneer of the Chinese space program. Dr. Ren is attributed with designing the rocket (Long March-1) to first successfully deliver a Chinese satellite to space and with leading numerous pivotal satellite projects. He passed on February 12, 2017 at the age of 101.

Dr. Ren was born on December 5, 1915 in the eastern Chinese province of Anhui. Upon graduating from the National Institute of Technology in Chongqing in 1940, Dr. Ren joined the University of Michigan for graduate and doctoral studies. He received his Master’s in Mechanical Engineering in 1946 and his Ph.D. in applied mechanics three years later.

Dr. Ren returned to China in 1949, where he worked at a military research academy. During this time, Dr. Ren, by then well-known for his expertise in astronautics and liquid propulsion, began working with Chinese space program founder, Qian Xusen. Starting in 1956, he served as a key technical engineer for the first Chinese missile, Dongfeng-1, which successfully launched in 1960, and subsequently as the Chief Manager of Long March-1 project, which delivered the first Chinese satellite in 1970. This successful seminal satellite launch prompted Mao Zedong to commend Dr. Ren in his Mayday address to the nation.

After Long March-1, Dr. Ren continued to revolutionize the Chinese space industry. According to the China Aerospace and Science and Technology Corporation: “Ren worked as chief designer of six major space projects in China, including an experimental communications satellite, practical satellite communications and meteorological satellite Fengyun-1.”

In 1980, Dr. Ren was elected to the Chinese Academy of Sciences, where he served as an academician. In 1999, he was granted the Two Bombs and One Satellite Merit Medal. He lived to witness the first Chinese astronaut, Yang Liwei, sent into space by the Chinese Space Program, a befitting culmination of his career of pioneering contributions.

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The electrons absorb laser light and set up “momentum combs” (the hills) spanning the energy valleys within the material (the red line). When the electrons have an energy allowed by the quantum mechanical structure of the material—and also touch the edge of the valley—they emit light. This is why some teeth of the combs are bright and some are dark. By measuring the emitted light and precisely locating its source, the research mapped out the energy valleys in a 2D crystal of tungsten diselenide. Credit: Markus Borsch, Quantum Science Theory Lab, University of Michigan.

Mapping quantum structures with light to unlock their capabilities

Rather than installing new “2D” semiconductors in devices to see what they can do, this new method puts them through their paces with lasers and light detectors. | Medium Read