Thomas Finney was an English mathematician and a prominent figure in the field of numerical analysis. He is best known for his work on algorithms for solving mathematical problems, particularly in the areas of approximation and interpolation. Finney's contributions have had a lasting impact on computational mathematics and engineering. In addition to his research, Thomas Finney authored several influential textbooks, including Calculus and Analytic Geometry. These books have been widely used in educational institutions, helping students understand complex mathematical concepts. His work continues to inspire future generations of mathematicians and engineers.