News1950 World Champion Harold "Butch" Williamson Passes Away04.20.2015We were saddened to learn of the passing of 1950 Soap Box Derby World Champion Harold "Butch" Williamson. After overcoming several bouts of rheumatic fever during his childhood, Butch became the World Champion of the 1950 All-American Soap Box Derby. He raced out of Charleston, W.Va.