Baudhayana and Apastamba walked into a bar ... Well, I won't give away the punchline but I can tell you there Pi is involved.
Speaking of esoteric - no mention of Vedic zero?
(we don't want to talk about it)
Yes I know this is "Ancient Church" stuff but where would they be without Krista(Krishna)?
Einstein - "we owe a lot to the Indians, who taught us how to count, without which no worthwhile scientific discovery could have been made.“
J. Robert Oppenheimer - “Access to the Vedas is the greatest privilege this century may claim over all previous centuries."
Niels Bohr - “I go into the Upanishads to ask questions.”
Heisenberg - “Quantum theory will not look ridiculous to people who have read Vedanta."
"The Origin Of Mathematics"