The Spaceman in Series 6 episode 1 killed a future version of the 11th Doctor.
yes he does
The Tenth Doctor dies and regenerates into the Eleventh Doctor
Yes he was killed in the impossible astronaut
Doctor Clayton died in 1947.
Doctor Greenwood died in 1951.
Eventually yes, he will regenerate into the twelfth Doctor.
The Tenth Doctor (a.k.a David Tennant) did not die. In fact, he regenerated into the Eleventh Doctor (a.k.a Matt Smith).
Doctor Tangalanga died on December 26, 2013.
Manilal Doctor died on 1956-01-08.
Doctor Philastus Hurlbut died in 1883.
Jean Hamon - doctor - died in 1687.
John Jones - doctor - died in 1791.