Professor Tony Thirlwall gave a Keynote Address at the Cornivus University in Budapest on 30 September at a conference celebrating the life and work of Nicholas Kaldor on the 30th anniversary of his death. Kaldor was originally Hungarian but he spent all his academic life at the London School of Economics (1932-47) and Cambridge University (1949-86), and made major theoretical contributions to the theory of the firm; capital theory; trade cycle theory; growth and distribution theory; welfare economics, and the Keynesian revolution . Tony is his biographer and literary executor.