A large number of people have contributed to Bcfg2. See http://git.mcs.anl.gov/bcfg2.git/blob/HEAD:/COPYRIGHT for a detailed list of contributors.
The entire MCS systems team has provided invaluable help in the design process and refinement of the user interface. In particular, Gene Rackow and Sandra Bittner have provided great assistance throughout this project. Philip Steinbachs provided detailed feedback as an early external user.