A sweeping history of libertarian thought, from radical anarchists to conservative defenders of the status quoLibertarianism emerged in the mid-nineteenth century with an unwavering commitment to progressive causes, from women¿s rights and the fight against slavery to anti-colonialism and Irish emancipation. Today, this movement founded on the principle of individual liberty finds itself divided by both progressive and reactionary elements vying to claim it as their own. The Individualists is the untold story of a political doctrine continually reshaped by fierce internal tensions, bold and eccentric personalities, and shifting political circumstances. Matt Zwolinski and John Tomasi trace the history of libertarianism from its origins as a radical progressive ideology in the 1850s to its crisis of identity today. They examine the doctrine¿s evolution through six defining themes: private property, skepticism of authority, free markets, individualism, spontaneous order, and individual li