Corrath was born the oldest son of Major Cowell O'Hare and Dr. Margorie Erathia. His childhood and youth were spent in a fairly pampered upper class environment. His intelligence, wit and good looks tended to win him advocates from his siblings, friends, classmates and even teachers. Just as well, as the youngster was as mischievous as he was considerate. It was frequently his consideration that got him 'off the hook' when his mischievousness got the better of him. Early in his development, he realized that his father was susceptible to logical discourse, he developed a knack for it that augmented his penchant for creativity. When his father became a member of the JAG office on Picon, Corrath's interests coalesced into a love of the law. As his family was well off, paying the tuition was not a problem and the young man's destiny was set as he shipped off to a prestigous law school on Caprica.
Or, he thought it was, at least. After his first year of university, the young man found that his interests had shifted. While he still had an intense love for the law, becoming a lawyer wasn't what he actually wanted. He wanted something a little different. Something a little more involved. Something that presented a challenge, both mentally and physically. It was these considerations that led him to apply to the Fleet Academy and after the standard canditate applicant procedures were fulfilled, the young man was formally accepted into the program. For four years, he lived and breathed the Academy, completing all aspects of the physical and mental routines each day and applying himself to each task as if it was his last. At the end of the four years, he emerged with a degree in Criminal Investigations and shipped off to complete his CMC training with advanced training as a Military Policemen. Secondary to this, Corrath continued to further his education by completing a law degree in his off hours.
With his schooling now complete, Corrath was shipped off to his first assignment as a Military Police Platoon Leader back on Picon. During the four years that he served in this post, the man had come to realize that this was exactly what he wanted to do. The investigative nature of the work offered a challenge that the man seemed to live for, while the physical nature of the job forced him to remain in shape and always pushed him to new limits. Combine that with the legal nature of the job and Corrath could frequently be heard describing the job as a 'Dream come true'. The only thing that he wished he could change was his posting. He wanted to venture off into the stars for a couple of years to see the sights before returning planetside. For the better part of the year he'd request a transfer to a Crusier, Frigate or Battlestar, but his application for transfer were always passed over with little explaination. Just when he was about to give up hope, his CO approached him and advised him that he'd been selected to serve aboard the Battlestar Cerberus as the S2 should he want the post. Considering the nature of the position and the work it entailed, Corrath readily accepted the offer and six months later, he found himself shipping off for space and his new posting. Little did he know, at that time, that his choice to see the stars would save his life and thrust him into a world of chaos and unknowns.