=Nelson= (=Ernesto=) is a man well known in Argentina in educational circles. He was born in Buenos Aires in 1875 and was educated there. He has spent ten years in this country studying educational movements. He was recently _Director General de Enseñanza Secundaria y Especial_ in Argentina. Among his publications are _Recopilaciones de Correspondencia de la Nación_, _Hacia la Universidad Futura_, and numerous articles. He represented his country at the St. Louis Exposition in 1904; took his doctor's degree at Columbia University, after four years of residence; and was a member of the Argentine Commission at the Panama-Pacific Exposition, San Francisco, in 1915, and a delegate to the Second Pan-American Scientific Congress in Washington in 1915-16. He has edited for use in this country a _Spanish-American Reader_, the first book of its kind, dealing, as it does, with all phases of South American life and customs. =López= (=Lucio V.=), the son of Vicente Fidel López, is a contemporary Argentine political writer and critic. He was born in 1857, and was professor of political law in the University of Buenos Aires in 1890, when President Juárez Celmán was turned out of office. He was among the leaders of that movement. He enjoys a great reputation as a keen observer and writer on political events in Argentina. =Blasco Ibáñez= (=Vicente=) was born in Valencia in 1867. He is one of the leaders among contemporary Spanish novelists. Prior to the recent war, he resided in Argentina, where he received a tract of land from the Argentine government as a compensation, in part, for his book, written at the request of the Argentine government, _La Argentina y sus grandezas_. At present (1919), he is in France, occupied in writing a history of the war. His book _Los Cuatro Jinetes del Apocalipsis_, published during the recent war, deals in the first part with life on the Pampas, in the last with the war. It is considered one of the best books brought out by the war in any language. Among his works, these are best known: _La Barraca_, _Cañas y Barro_, _La Horda_, _Sangre y Arena_, _Los Muertos Mandan_, and _El Intruso_. His works have been translated into practically every European language.