David Masser

| birth_date = | birth_place = London, United Kingdom | death_date = | death_place = | fields = Mathematics | workplaces = University of Basel | alma_mater = University of Cambridge | doctoral_advisor = Alan Baker | doctoral_students = Philipp HabeggerPaula Tretkoff | known_for = Masser–Gramain constant
Oesterlé–Masser conjecture
Sparsely totient number | awards = ICM Speaker (1983)Humboldt Prize (1991) | website = }} David William Masser (born 8 November 1948) is Professor Emeritus in the Department of Mathematics and Computer Science at the University of Basel. He is known for his work in transcendental number theory, Diophantine approximation, and Diophantine geometry. With Joseph Oesterlé in 1985, Masser formulated the abc conjecture, which has been called "the most important unsolved problem in Diophantine analysis". Provided by Wikipedia