"I can say that General Theory develops, justifies, rationalizes, extends, applies, and shows economists how to use what had by then become the author's standard themes and approaches in a way that Business Cycles, the History of Economic Analysis, and even Capitalism, Socialism, and Democracy do not. Back in 1970, the economist Harry G. Johnson pointed out that all successful founders of schools not only are geniuses with profound insights but also provide a road map that tells their followers and successors what to do to make a successful academic career within the school. Schumpeter did not do that second part."