Joseph Smith is NOT dead! He lives on as a god with his own galaxy, enjoying endless celestial sex with his celestial wives who are popping out infant spirits to be united with physical bodies here in the terrestrial kingdom.
Read your Doctrine & Covenants, for Shiz’s sake!
According to the Necronomicon, Joseph Smith was dragged down to the corpse-city of R'lyeh, where Dead C'thulhu (who lies dreaming) arose and ate him.
Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn