John Wallis: English Clergyman and Mathematician
Who was John Wallis?
John Wallis was an English clergyman and mathematician who is given partial credit for the development of infinitesimal calculus. Between 1643 and 1689 he served as chief cryptographer for Parliament and, later, the royal court. He is credited with introducing the symbol ∞ to represent the concept of infinity.
Answer:
John Wallis was a remarkable individual who made significant contributions to the fields of mathematics and cryptography in his lifetime. Let's delve deeper into his background and achievements.
John Wallis: A Brief Overview
John Wallis was born on November 23, 1616, in Ashford, Kent, England. Initially pursuing a career in the church, he later turned his attention to mathematics and became a prominent figure in the field during the 17th century.
Contributions to Mathematics
Wallis is best known for his work in calculus, particularly his development of infinitesimal calculus. His introduction of the symbol ∞ for infinity has had a lasting impact on mathematical notation.
Role in Cryptography
During the English Civil War, Wallis served as the chief cryptographer for Parliament, where he played a crucial role in deciphering secret codes and messages. His expertise in cryptography also led him to become the chief cryptographer for the royal court.
Legacy and Impact
John Wallis's contributions to mathematics and cryptography have left a lasting legacy in both fields. His innovative ideas and symbol notations continue to influence the way we understand and study these subjects today.