"British mathematician" . "Charles Leedham-Green"@en . "Leedham-Green, Charles"@en . "Charles R. Leedham-Green is a retired professor of mathematics at Queen Mary, University of London, known for his work in group theory. He completed his DPhil at the University of Oxford.Along with Leonard Soicher, Leedham-Green designed the product replacement algorithm; an algorithm within computational group theory that generates random elements of groups by taking a random walk through the group."@en . . . . . . . . . .