Eusebio Hernández Pérez Eusebio Hernández Pérez (18 January 1853 – 23 November 1933) was a Cuban eugenicist, obstetrician, and mambí in the Ten Years' War, Little War, and Cuban War of Independence. He reached the rank of brigadier general in the Ejército Mambí [ es] and was professor at the University of Havana.