Eric Walker added Stanford Lecture: Donald Knuth - "The Joy of Asymptotics" to Donald Knuth and Nicolaas Govert de Bruijn
Eric Walker added Nicolaas Govert de Bruijn - Wikipedia to Nicolaas Govert de Bruijn
Eric Walker added William Farr, Nicolaas Govert de Bruijn and David Hilbert and Directed graph - Wikipedia to Mathematicians and statisticians, and added Mathematicians and statisticians to Mathematics and statistics and Scientists, researchers and academics