On retirement from the city of Houston in 1979, Rollins joined the law firm of Olson & Olson, from which he retired in 1997. He became a volunteer instructor in the [[English]]-as-a-second-language program of Memorial Assistance Ministries. He also tutored in the bilingual education program at Spring Branch Elementary School. Rollins was fluent in Spanish, and passable in French, and German. He was a scholar of languages and history, particularly the [[American Civil War]], [[World War I]], World War II, and [[Europe]].[2] | On retirement from the city of Houston in 1979, Rollins joined the law firm of Olson & Olson, from which he retired in 1997. He became a volunteer instructor in the [[English]]-as-a-second-language program of Memorial Assistance Ministries. He also tutored in the bilingual education program at Spring Branch Elementary School. Rollins was fluent in Spanish, and passable in French, and German. He was a scholar of languages and history, particularly the [[American Civil War]], [[World War I]], World War II, and [[Europe]].[2] |