Alfonso Castellanos

Alfonso Castellanos was a prominent Colombian journalist and television host, best known for his educational television program 'Yo sé quien sabe lo que usted no sabe.' He transformed the media landscape in Colombia through his work in radio, television, and print journalism. Castellanos, who passed away at the age of 91, was celebrated for his engaging approach to disseminating knowledge across various disciplines, making complex subjects accessible to the general public.