the world famous Fibonacci numbers which has been vital in nature and is seen in many natural occurance like petals,leaves, bees and all is namer after Leonardo of Pisa. This is originally the work of which Indian mathematician:-

Pingala, an ancient Indian scholar (c. 2nd-3rd century BCE), in his work 'Chandaḥśāstra' on Sanskrit prosody, documented what came to be known as the Fibonacci sequence while analyzing poetic meters. He studied patterns in long (guru) and short (laghu) syllables, discovering matrameru (mountain of cadence), which predates Leonardo of Pisa (Fibonacci) by over a millennium. Fibonacci encountered this sequence in the 13th century through his travels to the Arab world, where Indian mathematical knowledge had been transmitted.