You are probably thinking about Rahmanujan. However, he didn't really "create pi" - God created pi. Nor did he discover it, pi was known well before Rahmanujan. What he did do was to find some very efficient formulae to calculate pi to many decimal places - formulae that are still used today.
Rahmanujan.
James steven. pi = c/d
budhayana
budhayana
Srinivasa Ramanujan
Ramanujan
aryabhata
brahmagupta
Pi was invented by William Jones in 1706 who was a Welsh mathematician.
The value of pie calculated by first Indian scientist Baudhayana
Srinivasa Ramanujan.
Pi is the never ending, never repeating number. It was created my a Greek mathematician and the estimate for pi is 3.14 but some more digits are: 3.1415926535897932384626433832795028841971693993751058209749445 Pi is the circumference of a circle with a diameter of 1.