Introduction. The utopian impulse in early socialist thought -- The future as harmony -- Harmonians in conflict: six strategic dilemmas ; The roots of utopian commitment ; Utopian socialism's legacy: the critical and constructive dimensions -- Henri Saint-Simon. Life and work ; The making of a social physiology ; Industrialism and the rule of science -- Robert Owen. Life and work ; A new view of society ; The coming of the new moral world -- Charles Fourier. Life and work ; A philosophy of human passions ; Liberation through love -- The Saint-Simonians. The disciples and their work ; Beyond positivism ; Towards universal association -- Etienne Cabet. Life and work ; The spirit of fraternity ; Icaria revisited -- Wilhelm Weitling. Life and work ; The primacy of need ; The revolutionary necessity
