Walsh, Gary  
   University of Ottawa. Publications and links.
   http://members.rogers.com/superprof/

Waldschmidt, Michel  
   Paris VI (Université Pierre et Marie Curie). Diophantine approximation and transcendence.
   http://www.math.jussieu.fr/~miw/

Weissman, Martin H.  
   University of California, Berkeley. Galois representations.
   http://math.berkeley.edu/~marty/

Ward, Thomas  
   University of East Anglia. Dynamical properties of commuting maps and algebraic dynamical systems, dynamical realization of integer sequences and other connections between number theory and dynamical systems.
   http://www.mth.uea.ac.uk/people/tw.html

Washington, Lawrence C.  
   University of Maryland. Number theory, cyclotomic fields, elliptic curves, cryptology.
   http://www.math.umd.edu/~lcw/

Walling, Lynne  
   University of Colorado at Boulder. Number theory.
   http://math.colorado.edu/children/faculty/walling/

Wang, Tzu-Yueh Julie  
   Academica Sinica. Diophantine problems and Nevanlinna theory.
   http://www.sinica.edu.tw/math/html/research/TYJW-e.html

Wilson, Stephen M. J.  
   University of Durham. Galois module structure; Knot modules; Virasoro characters and ray class groups.
   http://fourier.dur.ac.uk:8000/~dma0smjw/

Williams, Hugh  
   University of Calgary. Computational number theory, cryptography and the design and development of special-purpose hardware devices.
   http://www.math.ucalgary.ca/~williams/

Wan, Daqing  
   University of California Irvine. Number theory and arithmetic geometry.
   http://www.math.uci.edu/~dwan/Overview.html

Williams, Kenneth S.  
   Carleton University. Algebraic, analytic and computational number theory; binary quadratic forms and the arithmetic of fields of small degree.
   http://www.math.carleton.ca/profints/williams.html

Wolf, Marek  
   Uniwersytet Wroclawski. Theoretical physics; distribution of primes.
   http://www.ift.uni.wroc.pl/~mwolf/

Wong, Siman  
   University of Massachusetts. Automorphic forms and Galois representations.
   http://www.math.umass.edu/Fac_Staff_Students/Faculty/siman.html

Woodcock, Chris  
   University of Kent at Canterbury. Commutative algebra, algebraic geometry and algebraic number theory; p-adic analogues of classical functions and their applications in number theory.
   http://www.kent.ac.uk/ims/people/cfw/index.htm

Wooley, Trevor  
   University of Michigan. Analytic number theory: the Hardy-Littlewood circle method.
   http://www.math.lsa.umich.edu/~wooley/

Wright, David  
   Oklahoma State University. Algebraic number theory and algebraic groups, with methods from functional analysis and analytic number theory.
   http://www.math.okstate.edu/~wrightd/

Wagstaff, Samuel S. Jr  
   Purdue University. Cryptography, parallel computation, and analysis of algorithms, especially number theoretic algorithms. Publications, updates on the Cunningham project, software.
   http://www.cs.purdue.edu/faculty/ssw.html

Weintraub, Sol  
   Queen's College, New York. Number theory, statistics and probability.
   http://www.math.qc.edu/web/faculty/weintraub.htm

Wakabayashi, Isao  
   Seikei University, Tokyo. Diophantine equations and transcendence problems for values of analytic functions.
   http://www.ge.seikei.ac.jp/wakaba/

Weiss, Alfred  
   University of Alberta. Group representations and number theory.
   http://www.math.ualberta.ca/Weiss_A.html

Wamelen, Paul van  
   Louisiana State University. Genus 2 curves, class number formulae, Jacobi sums, Stark's conjectures, computational projects.
   http://www.math.lsu.edu:80/~wamelen/

Wagner, Marcus  
   Technische Universität Berlin. Algebraic number theory.
   http://www.math.tu-berlin.de/~wagner/

Weingartner, Andreas  
   Southern Utah University. Contact information.
   http://www.suu.edu/faculty/weingartner/

Wu, Hsin-Tai (Eric)  
   Automorphic forms, representations, Hilbert modular forms of half integral weight, p-adic interpolation. Software, thesis (PDF).
   http://homepage.mac.com/hteric/

de Weger, Benne  
   Eindhoven University of Technology. Diophantine problems, ABC conjecture.
   http://www.win.tue.nl/~bdeweger/

Wolff, Alison  
   University of Adelaide. Contact information.
   http://www.maths.adelaide.edu.au/pure/staff/awolff.html

Wewers, Stefan  
   University of Bonn, Germany. Arithmetic geometry. Publications and preprints.
   http://www.math.uni-bonn.de/people/wewers/

Wool, Assaf  
   Compugen. Groups, fundamental domains, Hecke operators, number fields. Software for modular curves and Shimura curves.
   http://www.geocities.com/assafwool/

Wang Wei  
   Shandong University. Distribution of primes; the Riemann zeta function and Dirichlet L-functions.
   http://www.prime.sdu.edu.cn/third/04wangwei.html

Wingberg, Kay  
   Universität Heidelberg. Algebraic number theory, Iwasawa theory; arithmetic geometry; structure of profinite (or pro-p) groups. Publications.
   http://www.mathi.uni-heidelberg.de/~wingberg/agwingberg/wingberg.html

Wittmann, Christian  
   École Polytechnique Fédérale de Lausanne. Algebraic Number Theory with a focus on explicit and computational methods. Publications, tables of cyclic cubic fields.
   http://www1.informatik.unibw-muenchen.de./Wittmann/

Weng, Annegret  
   Johannes Gutenberg-Universität, Mainz. Arithmetic of elliptic curves. Publications. English/German.
   http://www.mathematik.uni-mainz.de/~weng/

Weston, Tom  
   University of Massachusetts. Arithmetic geometry, special values of L-functions, Iwasawa theory, deformation theory of Galois representations. Papers and expository articles.
   http://www.math.amherst.edu/~taweston/