B. O. Flower

Benjamin Orange Flower (October 19, 1858 – December 24, 1918), known most commonly by his initials "B.O.", was an American muckraking journalist of the Progressive Era. Flower is best remembered as the editor of the liberal commentary magazine The Arena, published in Boston, New York City, and Trenton, New Jersey by the Arena Publishing Co. from 1889 until 1909.