Ivor Grattan-Guinness

Ivor Owen Grattan-Guinness (23 June 1941 – 12 December 2014) was a British historian of mathematics and logic. He was born in Bakewell, England, and pursued his higher education at Wadham College, Oxford, and the London School of Economics, earning doctorates from the University of London. Grattan-Guinness was an Emeritus Professor at Middlesex University and a Visiting Research Associate at the London School of Economics. His scholarly work focused on the history of calculus, mathematical analysis, set theory, and mathematical logic, emphasizing how past thinkers viewed their findings. He was a prolific author, publishing books such as 'The Development of the Foundations of Mathematical Analysis from Euler to Riemann' and 'The Search for Mathematical Roots, 1870–1940'. He also founded the journal 'History and Philosophy of Logic' and served as editor for other prominent journals. Grattan-Guinness received the Kenneth O. May Medal in 2009 for his contributions to the history of mathematics. He died in England in 2014 at the age of 73.