Mi Ailin (1896— 1953) is a famous popular science writer, engineer and children's literature writer in the Soviet Union. Famous popular science works include 100,000 whys, What time is it now, black and white, the sun on the table, a trip in the atomic world, things around us and so on.

"A Hundred Thousand Why" is a comprehensive and vital name, that is, it is taken from the works of Ilya, while "Millin" is taken from a sentence by Lu Kipling, an English writer in Nobel Prize in Literature, in 1907: "Where are the five thousand, how about seven thousand, and a hundred thousand why?"

Mi Ailing's works are excellent models of popular science works, which have great influence in the field of popular science creation in China. China's older generation of popular science writers and many popular science writers who grew up in 1950s benefited from Mi Lilin's works. Irene is good at combining literature with science. He used literary style, vivid metaphors, typical examples and poetic language to tell scientific knowledge in a beautiful way. His works are lively and logical. Gao Shiqi, a famous popular science writer in China, once summed up the writing characteristics of Mi's works in People's Daily with four words: rich content, vivid words, lively thoughts and short paragraphs. It has been 70 or 80 years since Mi Ailin's works were translated and introduced to China, and the editions have been increasing, and the print run has remained unchanged. He has always been a mentor and friend to the vast number of young people.