Facts:   - imagesize: 200px    - death place: the woodlands , texas , u.s.    - years active: 1942 -- 1999    - caption: kirk serial . alyn as '' superman '' in the film    - birth name: john feggo , jr.    - death cause: alzheimer 's disease    - death date: 14 march 1999    - spouse: virginia o'brien 1942 1955 divorced      - children: 3    - birth date: 8 october 1910    - name: kirk alyn    - image: kirk alyn sup.jpg    - birth place: oxford , new jersey , u.s.    - occupation: actor   Based on these bullet points, write a short biography describing the life of kirk alyn .
The answer to this question is:
kirk alyn -lrb- october 8 , 1910 -- march 14 , 1999 -rrb- was an american actor , best known for being the first actor to play the dc comics character superman on screen in the 1948 film serial `` superman '' , and its 1950 sequel `` atom man vs. superman '' .