Dr. Hardy was a scientist working for the Office of Naval Intelligence. In 2529, he or she had done research on the Kig-yar point defense gauntlet. Dr. Catherine Halsey referred to Hardy's work when she noted of her limited success in accessing a subroutine in a Covenant system using Illegal Entry Protocols.

List of appearances

• Halo: Reach
  • Dr. Halsey's personal journal (First mentioned)