Mark Gates
Alex Warshavsky 

  * original authors

Ajay Tirumala

  * general improvements 

Jim Ferguson <ferguson@ncsa.uiuc.edu>

  * Project management

Jon Dugan <jdugan@x1024.net>

  * Project maintainer and release coordinator
  * various patches and autoconf fixes, general maintenance

Feng Qin
Kevin Gibbs

  * windows porting work

John Estabrook <jestabro@ncsa.uiuc.edu>

Andrew Gallatin <gallatin@gmail.com>
  * threading fix and non Linux performance improvements