Who Founded Rule Of 72?

Who Founded Rule Of 72? The first reference we have of the Rule of 72 comes from Luca Pacioli, a renowned Italian mathematician. He mentions the rule in his 1494 book Summa de arithmetica, geometria, proportioni et proportionalita (“Summary of Arithmetic, Geometry, Proportions, and Proportionality”). Did Einstein discover the Rule of 72? The Rule of