Guillermo O'Donnell

'''Guillermo Alberto O'Donnell Ure''' (February 24, 1936 – November 29, 2011) was a prominent Argentine political scientist who specialized in comparative politics and Latin American politics. He spent most of his career working in Argentina and the United States, and who made lasting contributions to theorizing on authoritarianism and democratization, democracy and the state, and the politics of Latin America. His brother is Pacho O'Donnell. Provided by Wikipedia