
Dr. Vitelio Ruiz Hernández directed important projects of great national impact, among which stand out: Spelling in primary school students in Cuba, A synchronic study of the speech of Santiago de Cuba (phonetic-phonological level), The VAL-CUBA Orthographic Vaccine and The Auditory Dictionary for Blind Persons.
Vitelio Ruiz Hernández will always be honored and remembered by his family, disciples and colleagues.