The Gelfand Transform is a mathematical tool used in functional analysis, particularly in the study of commutative Banach algebras. It transforms a function defined on a space into a function defined on the spectrum of that space, allowing for easier analysis and manipulation of the original function. This transform is named after the mathematician I.M. Gelfand, who developed it to extend the concept of Fourier transforms. By converting functions into algebraic forms, the Gelfand Transform facilitates the study of properties like continuity and convergence in a more abstract setting, making it a valuable technique in various areas of mathematics.