E. T. Whittaker typically refers to Edmund Taylor Whittaker, a notable British mathematician and astronomer recognized for his contributions to various fields, including mathematics, physics, and astronomy. Born in 1873 and passing in 1956, Whittaker made significant advancements in the theory of differential equations, mathematical analysis, and numerical methods. He is also known for his work in celestial mechanics and for developing Whittaker functions, which are solutions to certain differential equations.
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