Mark Galassi (rosalia@lanl.gov) - overall design, simulated annealing

Jim Davies (jimmyd@nis.lanl.gov) - statistics library

James Theiler (jt@lanl.gov) - random number generators

Brian Gough (bjg@network-theory.co.uk) -

  FFTs, numerical integration, random number generators and distributions,

  root finding, minimization and fitting, polynomial solvers, complex

  numbers, physical constants, permutations, vector and matrix functions,

  histograms, statistics, ieee-utils, revised CBLAS Level 2 & 3, matrix

  decompositions and eigensystems.

Reid Priedhorsky (rp@lanl.gov) - root finding

Gerard Jungman (jungman@lanl.gov) special functions, interpolation, 

  series acceleration, ODEs, BLAS, Linear Algebra, Eigensystems,

  Hankel Transforms.

Michael Booth (booth@debian.org (email address not working)) - Monte 

  Carlo integration

Fabrice Rossi (rossi@ufrmd.dauphine.fr) - Multidimensional minimization

Simone Piccardi (piccardi@fi.infn.it) - Ntuples

Carlo Perassi (carlo@linux.it) - Additional random number generators

Dan, Ho-Jin (hjdan@sys713.kaist.ac.kr) - divided differences interpolation

Szymon Jaroszewicz (sj@cs.umb.edu) - combinations

Nicolas Darnis (ndarnis@cvf.fr) - cyclic functions and the initial functions for

 canonical permutations.

Tuomo Keskitalo (tuomo.keskitalo@iki.fi) - multidimensional minimization and 

 ode-initval2 routines for ordinary differential equations

Ivo Alxneit (ivo.alxneit@psi.ch) - multidimensional minimization, wavelet 

  transforms

Jason H. Stover (jason@sakla.net) - cumulative distribution functions

Patrick Alken <patrick.alken@colorado.edu> - nonsymmetric and generalized

  eigensystems, B-splines, sparse matrices, linear and nonlinear least squares

Rhys Ulerich (rhys.ulerich@gmail.com) - multisets

Pavel Holoborodko <pavel@holoborodko.com> - fixed order Gauss-Legendre quadrature

Pedro Gonnet <gonnet@maths.ox.ac.uk> - CQUAD integration routines.