Guillermo Lohmann Villena  Guillermo Lohmann Villena (1915–2005) was a Peruvian diplomat, historian, lawyer, and writer. He is considered one of the most prolific Peruvian historians and the most important specialist in the colonial era. He attended the Deutsche Schule Alexander von Humboldt Lima (Colegio Peruano-Alemán Alexander von Humboldt).