<prompt> Griffith demonstrated transformation with -H. influenzaeE. coliProteusPneumococcus  <response>: Griffith in 1928 found that mice died when injected with a mixture of live non-capsulated R pneumococci and heat killed capsulated S pneumococci, neither of which separately proved fatal. REF:Ananthanarayan and Panickers Textbook ofMicrobiology 8thEdition pg no:63 