Read the bio below and try to give details on john colenback 's:    - years active     - death cause     - death date       - birth date     - name     - death place     - birth place     - occupation     Bio: john colenback -lrb- october 8 , 1935 -- may 12 , 2015 -rrb- was an american actor . he was best known for portraying dan stewart on `` as the world turns '' . he died on may 12 , 2015 , at age 79 .
Answer:
- years active is 1958 -- 2015- death cause is chronic obstructive pulmonary disease- death date is 12 may 2015- birth date is 8 october 1935- name is john colenback- death place is california , u.s.- birth place is toledo , ohio , u.s.- occupation is actor