W. K. Davidson
From Halopedia, the Halo wiki
Lieutenant W. K. Davidson was an officer in the UNSC and a member of the UNSC Engineering Corps in 2492. That year, he led archeological expidition four to lanet Onyx and surveyed the planet. He noted the rock structure of the planet as well as the fossil life found, and recommended a follow up survey. That follow up discovered Forerunner artifacts. The planet was then taken over by ONI.