エドゥアルト・ベルンシュタイン
Friedrich Engels, co-worker of the recently deceased Karl Marx and a personal enemy of Hyndman, was jubilant about the split of the SDF. In a letter dated 29 December 1884 to Eduard Bernstein, Engels declared: "I have the satisfaction of having seen through the whole racket from the outset, correctly sized up all the people concerned, and foretold what the end would be..."