pi is a universal constant which existed long before the first human existed. It existed even before the solar system came into being so there is no person who invented it and so no biography.
It was not invented it was discovered.
George VI created pi.
Pi is the relationship between the diameter and the circumference of a circle.
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It is unknown which specific person invented pi, but ancient Egyptians are the first group to have used it.
Anthony DePalma has written: 'The man who invented Fidel' -- subject(s): Biography, Journalists
a person
Archimedes
Archimedes
1994
pi is a universal constant and was not invented by anybody. It was known to the ancient Babylonians long before the Swiss were literate.
The Man Who Invented the Twentieth Century" is a biography of this scientist, born in the Balkans.