William Lowell Putnam was an American mathematician known for his contributions to various fields, including number theory and mathematical analysis. He was born on April 2, 1910, and became a prominent figure in mathematics during the 20th century. Putnam is perhaps best known for the Putnam Competition, a prestigious mathematics competition for undergraduate students in the United States and Canada, which he helped establish in 1938. In addition to his work in mathematics, Putnam was a professor at Harvard University and made significant contributions to mathematical education. He was also involved in the development of mathematical research and was recognized for his ability to inspire students and colleagues alike. His legacy continues through the ongoing influence of the Putnam Competition and his impact on the mathematical community.