The Hitchhiker's Guide to the Galaxy, Douglas Adams

Answer to the Ultimate Question of Life, the Universe, and Everything
"Answer to the Ultimate Question of Life, the Universe, and Everything" is, in Douglas Adams' science fiction work The Hitchhiker's Guide to the Galaxy, the ultimate question about the meaning of life. A proposed answer is given: the number 42, but the problem is that no one knows exactly what question it answers...
In the story, the answer is sought by the supercomputer Deep Thought. However, after calculating the answer for 7.5 million years, it was not powerful enough to provide the ultimate question. Deep Thought's response sets the protagonists on a quest to discover the corresponding question.
At the Atelier, we have decided to embark on the pursuit of 42 explorations…
Author
Douglas Adams
Editor
Pan
Publication date
1978