HomepageTagsMark Schwahn Mark Schwahn - online puzzles 70Weather for loveKorneliasolved 266 timesSolve puzzle272Love weather (One Tree Hill)Kami ♥solved 43 timesSolve puzzle12Lucas & PeytonKami ♥solved 36 timesSolve puzzle6Lucas Eugene Scott & Haley James ScottKami ♥solved 33 timesSolve puzzle6Cooper & RachelKami ♥solved 15 timesSolve puzzle Online puzzle Mark SchwahnMark Schwahn (born July 5, 1966 ) is an American screenwriter, director, and producer. He is best known as creator, head writer and executive producer of the WB/CW drama series One Tree Hill.