Encyclopedia article on Sir Richard Arkwright (1732-1792), English inventor of the spinning frame. It covers his early life as a barber in Bolton, the development and 1769 patent of the water-powered spinning frame, and his mills at Nottingham and Cromford with Jedediah Strutt and Samuel Need. It also covers the patent lawsuits of 1781-1785, in which his patents were cancelled, the destruction of his mill near Chorley in 1779, and his knighthood in 1786 and death in 1792.