This Doctor Who wallpaper contains
business suit, well dressed person, suit, pants suit, and pantsuit.
There might also be
suit, suit of clothes, three piece suit, hip boot, and thigh boot.
Jon Pertwee (1919-1996) from '70-'74.
Regenerated due to the fact that he was poisoned by radiation on the planet Metabelis III.
'Planet of the Spiders' is absolutely wonderful. I have watched it and would definitely recommend it to any Whovian.
Portrayed by the phenomenal William Hartnell (1908-1975) from '63-'66.
This Doctor regenerated in the virtue of a strenuous battle with the Cybermen, 'The Tenth Planet'. :)