Isaac Peral y Caballero: Pioneer of Underwater Warfare Isaac Peral y Caballero (1851-1895) stands as a singular figure in the annals of naval engineering and scientific innovation—a Spanish inventor whose audacious vision propelled him to create the Peral submarine, arguably the first truly electric underwater vessel and a monumental leap forward in maritime warfare. Born in Cartagena, Spain, he possessed an innate curiosity coupled w…