Florian Cajori
William Oughtred: A Great Seventeenth-Century Teacher of Mathematics
"William Oughtred: A Great Seventeenth-Century Teacher of Mathematics" by Florian Cajori is a historical account written in the early 20th century. The work delves into the life and contributions of William Oughtred, a significant yet often overlooked figure in the history of mathematics, whose influence extended throughout the development of modern algebra and mathematical notation. It pays particular attention to his role as an educator, inventor of the slide rule, and author of important mathematical texts within the context of 17th-century England. The opening of the book introduces William Oughtred, outlining his educational background at Eton and Cambridge, and providing insights into his passion for mathematics, which he pursued as a dedicated amateur alongside his clerical duties. The text highlights Oughtred's early innovations, such as his work on sun-dials and his notable creation of algebraic symbols, including the cross for multiplication. It establishes Oughtred as a figure who not only advanced mathematical thought through his writings and teachings but also faced personal challenges and controversies, particularly related to his legacy in mathematical inventions. Overall, the beginning sets the stage for a detailed exploration of Oughtred's contributions to mathematics and education.