 Jim Tatum was hired in 1947, after a brief stint at Oklahoma where he had led the Sooners to a conference championship in his only season there.He was Maryland's sixth head coach in eight years, but Tatum stayed for nine seasons and became the school's most successful head coach in modern history.During his tenure, he led Maryland to two national championships (one retroactive), three conference championships, three perfect seasons, six top-20 final rankings, and five bowl game appearances.