32 articles
William Henry Young
William Henry Young (1863–1942) was an English mathematician who worked on sets of points, integration, and Fourier series, independently reaching an integral equivalent to Lebesgue's and proving Young's inequality.
Zygmunt Zahorski
Zygmunt Zahorski (1914–1998) was a Polish mathematician specializing in real analysis and trigonometric series, best known for his 1947 characterization of the singular point sets of infinitely differentiable functions.