John P. Pratt was an American mathematician and educator known for his contributions to the field of mathematics, particularly in the areas of algebra and geometry. He was born in 1830 and became a prominent figure in the academic community during the 19th century. Pratt's work included various mathematical publications and teaching positions, where he influenced many students. In addition to his teaching, Pratt was involved in the development of educational materials and methods that aimed to improve mathematics instruction. His legacy continues to be recognized in the context of 19th-century mathematics and the evolution of mathematical education in the United States.