Tenure teacher.
Chen Jingrun was born in a poor family, but he worked very hard. Until he graduated from junior high school, he kept a record of straight A in mathematics. After liberation, Chen Jingrun was admitted to Huaying University in Fuzhou and attended high school. Here, he was lucky enough to meet Mr. Ren Shenyuan, the original owner of Tsinghua University Aviation Department, which he will never forget. Once, Mr. Shen came up with an interesting classical math problem: "Han Xin ordered soldiers". Everyone counted hard, and Chen Jingrun quickly whispered: "53 people." The whole class was stunned by his speed. Teacher Shen looked at the quiet and ragged student and asked him how he did it. Chen Jingrun blushed and could not speak. Finally, he wrote the method on the blackboard with a pen. Teacher Shen said happily, "Chen Jingrun is fine, but he is afraid to speak. I'll help him! "
After Mr. Shen finished speaking, he introduced a world math problem to the students: "About 200 years ago, a German mathematician named Goldbach proposed that' any even number can represent the sum of two prime numbers', which is abbreviated as'1+1'. He never proved it in his life, so he wrote to Euler, a mathematician in St. Petersburg, Russia, and asked him to help prove the problem. After receiving the letter, Euler began to calculate. He tried to prove it to the death. Later, Goldbach passed away with a lifetime of regret, but left this mathematical problem behind. For more than 200 years, the mystery of Goldbach's conjecture has attracted many mathematicians, making it a big unsolved mystery in the field of mathematics. "
The teacher also made an interesting metaphor here. Mathematics is the queen of natural science, and Goldbach conjecture is the jewel in the queen's crown! This fascinating story left a deep impression on Chen Jingrun, and Goldbach's conjecture attracted Chen Jingrun like a magnet. From then on, Chen Jingrun began the arduous course of winning the crown jewel of mathematics. ...
An "idiot" who challenges the limits of intelligence
In order to make her dream come true, Chen Jingrun devoted herself to her study, and the calculated toilet paper was filled with several sacks. After years of calculation in 10, in 1966, he published a paper "Using even numbers to express the sum of the products of a prime number and no more than two prime numbers". The publication of the paper has been highly valued and praised by the world mathematics community and famous mathematicians. British mathematician Haberstein and German mathematician Li Xite wrote Chen Jingrun's paper into a math book called "Chen Theorem". However, the elites in the field of mathematics in the world don't know the classification of commodities in their daily life, and some commodities can't be named, so they are called "idiots" and "weirdos".
Writer Xu Chi described Chen Jingrun's inner world in Goldbach Conjecture: "I know my illness is very serious. I'm terminally ill. Bacteria are devouring my internal organs. My mind has reached the point of exhaustion. My body really can't support it! Only my brain cells are extremely active, so I can't stop working. I can't stop ... "
For Chen Jingrun's contribution, Chinese mathematicians once said: Chen Jingrun challenged the sum of the world's intellectual limits in the field of analytic number theory for 250 years. Deng Xiaoping, the chief architect of China's reform and opening-up, once told people meaningfully: "It would be great to have a thousand scientists like Chen Jingrun in China.".
(Editor: Li Tingting)