 Complete the following phrase:  Manuel Tagüeña Lacorte 19131971 was a Spanish military officer of the Spanish Republican Army. Before the Spanish Civil War, he was a member of the socialist youth and studied mathematics and physics at the Madrid University. In July 1936 he led a militia column in the Somosierra front, in August on the Tagus front and took part in the defense of Madrid. He joined the PCE in November 1936 and was one of the first commanders of the mixed brigades. He rose through the ranks from company to army corps commander and he was promoted to Colonel. He was one of the Republican commanders in the 