Doctor

The Emergency Medical Hologram, better known as The Doctor, is a fictional character on the television series Star Trek: Voyager. The Doctor was played by Robert Picardo. The character of The Doctor started his service on the USS ''Voyager'' as the standard Emergency Medical Hologram built into almost every newer Starfleet ship's sickbay, as an emergency measure for use if the ship's doctor should ever be temporarily unable to perform his/her duties. In the series' first episode, Voyager's Chief Medical Officer, along with his Vulcan nurse, were killed. The EMH was then called into duty. Given that the EMH was originally intended primarily as a temporary medical backup system, and not as an artificial life form as such, the Doctor essentially had to develop his own personality from scratch. This placed considerable strains on his program during the early parts of the journey. Eventually, in order to try to develop a realistic personality, the Doctor not only manufactured a... full article at wikipedia