Alexander Dewdney Professions : Mathematician Born : August 5, 1941 Browse All Authors Famous Quotes by Alexander Dewdney "The most powerful single idea in mathematics is the notion of a variable." Alexander Dewdney powerful education math Similar Authors Abram Samoilovitch Besicovitch mathematician Brahmagupta mathematician Augustus De Morgan mathematician Augustin-Louis Cauchy mathematician Atle Selberg mathematician Arthur Cayley mathematician All Authors