Raul Waleis is the pen name of Argentine writer and lawyer Luis V. Varela (1845-1911), considered one of the leading representatives of the Generation of 80 and initiator of the detective novel in Castilian. In this genre, he followed the footsteps of the French police melodrama. Born in Montevideo, as his family had fled exiled to Uruguay. He returned to Argentina after the fall of Rosas and studied law at the University of Córdoba. Soon he began to publish articles in La Tribuna newspaper of his brothers Hector and Mariano, he turned to politics and held several public offices: President of the Supreme Court of Buenos Aires, constituent deputy, etc. His literary work includes the lyric, dramatic and narrative. Among his writings today inhallables subsidiary counted Love (1867), The Blind Man (1871), Capital of Capital (1872), The trace of the crime (1877), Clemencia (1877), White Cat (1879), My two homelands (1905), Between two Souls (1908).