Alberto Granado Alberto Granado Alberto Granado Jiménez (August 8, 1922March 5, 2011) was an Argentine–Cuban biochemist, doctor, writer, and scientist. He was also the youthful friend and traveling companion of Che Guevara during their 1952 motorcycle tour in Latin America. Granado later founded the University of Santiago de Cuba School of Medicine. He authored the memoir "Traveling with Che Guevara: The Making of a Revolutionary", which served as a reference for the 2004 film "The Motorcycle Diaries", in which he was played by Rodrigo de la Serna. An elderly Alberto Granado makes a short appearance at the end of the film. Granado
Companion (Doctor Who) in a companion role and excludes minor roles, cameos, flashbacks, and so forth. Also, the table refers solely to adventures with the respective Doctor. Some companions who appear with two or more Doctors appear in separate tables. The following three characters, all associated with UNIT during the Third Doctor's exile to Earth, are sometimes considered his companions despite appearing irregularly during his tenure. A few of the companions have died during the course of the series. Katarina sacrificed herself by opening her airlock to save the others from the mad fugitive Kirksen, and was blown into the vacuum of space.