Lanny Ebenstein is the author or co-author of several books on the history of economic and political thought, including Friedrich Hayek: A Biography, Hayek's Journey: The Mind of Friedrich Hayek, and, with his late father, William Ebenstein, Great Political Thinkers: Plato to the Present. Ebenstein received his Ph.D. from the London School of Economics and Political Science. He resides in Santa Barbara, California.