José_Leandro_Montalvo_Guenard
José Leandro Montalvo Guenard (1885 – 1950) was a Puerto Rican physician, inventor, anthropologist and historian. He is known for his "Rectificaciones Históricas: El Descubrimiento de Boriquén", published by Editorial del Llano, in Ponce, Puerto Rico, in 1933.