Baseball fiends and flying machines

"Alfred had a long career as a player, manager, and minor league organizer before gaining notoriety as a utopian novelist, philosopher, economic reformer, cult leader, and early aviation promoter. George was a soldier, vaudeville troupe manager, performing hypnotist, medical quack, evangelist, and anti-KKK crusader who sought to break baseball's color line by founding integrated leagues"--Provided by publisher.