(1) Helen Keller was born on June 27, 1880, in a town called Tuscumbia in northern Alabama. Scarlet fever took away her vision and hearing when she was 19 months old, and soon she lost her ability to express herself in language.

However, in this dark and lonely world, because of the efforts of her mentor Anne Sullivan, she learned to read and speak, and began to communicate with other people. After graduating with honors from Radcliffe College in the United States, he became a learned man, a famous writer and educator proficient in English, French, German, Latin and Greek in five languages.

She traveled around the United States and around the world to raise funds for schools for the blind, and dedicated her life to the welfare and education of the blind. She has won praise from people around the world and received awards from many governments.

(2) Stephen William Hawking graduated from Oxford University and Cambridge University, and received a doctorate in philosophy from Cambridge University. The reason why he has been in a wheelchair for 47 years is because he unfortunately suffered from Lou Gehrig's disease, which causes muscle atrophy when he was 21 years old. His speeches and questions and answers can only be completed through a speech synthesizer.

In 1973, he considered the quantum effects near black holes and found that black holes emit radiation like a black body. The temperature of its radiation is inversely proportional to the mass of the black hole, so that the black hole will slowly become smaller due to radiation, and But the temperature got higher and higher, and it ended with an explosion at the last moment. The discovery of black hole radiation is of extremely fundamental significance, unifying gravity, quantum mechanics and statistical mechanics.

(3) Zhang Haidi (September 16, 1955 -), born in Jinan, is a famous disabled writer in China and holds a Master of Philosophy. He is currently a member of the Standing Committee of the National Committee of the Chinese People's Political Consultative Conference, chairman of the China Disabled Persons' Federation, a member of the Chinese Writers Association, and vice chairman of the Shandong Writers Association.

In 1960, Zhang Haidi suffered from spinal hemangioma when he was five years old, resulting in high paraplegia. In 1970, he was sent to Shenxian County, Liaocheng, Shandong Province with his parents. He studied by himself in primary school, middle school and university, and learned acupuncture. Local medical practice.

Married Wang Zuoliang on July 23, 1982. In 1983, the Communist Party of China decided to establish Zhang Haidi as a propaganda idol. Zhang Haidi received two praises: one is the "New Lei Feng of the 1980s" and the other is the "Contemporary Paul". Zhang Haidi served as a member of the 9th and 10th National Committee of the Chinese People's Political Consultative Conference. In November 2008, he was elected chairman of the fifth presidium of China Disabled Persons' Federation.