"Boulding was not left-wing in his politics nor involved in the radical economics of the time. In fact he was always hostile to Marx’s theory of capitalism and its emphasis on class conflict. What he did feel strongly about was the cause of peace, having become a Quaker early in life, and having been active throughout his career in a variety of ways in the cause of peace. Moreover, he himself saw peace and conflict research as his largest area of work (Boulding, 1989), and regarded his involvement in the founding of the ' and the as important lifetime achievements."