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Ackermann, Wilhelm (18961962)  Wilhelm Ackermann was a mathematical logician who worked with Hilbert in Göttingen. See Ackermann's function in today's textbooks.
Argand  Jean Robert Argand (17681822)  Accountant, amateur mathematician, famed for his geometrical interpretation of the complex numbers where i is interpreted as a rotation through 90, gave concept of the modulus of a complex number.
Banach  The Life of Stefan Banach (18921945)  Review of Roman Kaluza's 1996 book The Life of Stefan Banach
Bernoulli, Daniel (17001782)  Most important work considered the basic properties of fluid flow, pressure, density and velocity, and gave their fundamental relationship now known as Bernoulli's principle.
Bessel  Friedrich Wilhelm Bessel (17841846)  Catalogued stars, predicted a planet beyond Uranus as well as the existence of dark stars, investigated Johann Kepler's problem of heliocentricity, and systematized the mathematical functions involved, which now bear his name.
Birkhoff  George David Birkhoff (18841944)  First dynamicist in the New World, picked up where Poincare left off, created a rigorous theory of ergodic behavior, and foresaw dynamical models for chaos.
Briggs, Henry (15611630)  His work in mathematics was devoted to making computation more easy, known for his publication of tables of logarithms to the base 10, first Logarithmorum chilias prima, 1617, and later Arithmetica logarithmetica, 1624.
Buffon  GeorgesLouis Leclerc, Comte de Buffon (17071788)  Proposed the Buffon's Needle Problem, which asks the probability that a needle of length l will fall on a line when a piece of paper is ruled with parallel lines a distance d apart.
Chebyshev  Pafnuty Lvovich Chebyshev (18211894)  Work on prime numbers included the determination of the number of primes not exceeding a given number, wrote an important book on the theory of congruences, proved that there was always at least one prime between n and 2n for n > 3.
Claude Shannon (19162001)  Obituary from The Times of London. Shannon is known for having singlehandedly laid down the general rules of modern information theory.
Cohen, Don  The MATHMAN  What parents, teachers, kids, Martin Gardner, Morris Klein, W.W. Sawyer, the MAA, the ASCD, Kodansha, Mary Pride in her 'Big Book of Home Learning', The Home Schooling magazine say about Don's materials
De Morgan  Augustus De Morgan (1806 1871)  Important innovator in the field of logic, developed De Morgan's rule to determine the convergence of a mathematical series.
Diophantus of Alexandria (c. 200284 )  Best known for his Arithmetica, a work on the theory of numbers, a collection of 130 problems giving numerical solutions of determinate equations.
Dirichlet  Johann Peter Gustav Lejeune Dirichlet (18051859)  Proved that in any arithmetic progression with first term coprime to the difference there are infinitely many primes, units in algebraic number theory, ideals, proposed the modern definition of a function.
Ecker  Recreational & Educational Computing, Dr. Michael W. Ecker's Home Page  "REC gets better and better. I would not want to miss a single issue!" Martin Gardner, worldfamous recreational mathematics author
Edmund Landau and the Hebrew University  The story of Landau's relations with the justfounded Hebrew University: an intricate drama, in which academic considerations were mixed with questions of power and prestige.
Eratosthenes  (Encarta® Concise Encyclopedia Article)
Erdos  The man who loved only numbers, Paul Erdos (19131996)  math genius, eccentric, mathematician, math prodigy, Worlds Largest Number in a Mathematical Proof
Erdös, Pál (19131996)  A page on Pal Erdos (Erdös Pal or Paul Erdos), one of the century's greatest mathematicians.
Erlang, Agner Krarup (18781929)  Early telecom theorist, after whom a unit of measurement and a programming language are named.
