What key details about john gunn -lrb- australian politician -rrb- can be extracted from the following bio? Bio: john gunn -lrb- 16 december 1884 -- 27 june 1959 -rrb- was the 29th premier of south australia , leading labor to government at the 1924 election .
- order is 29th 1924 18th leader of the opposition -lrb- sa -rrb- premier of south australia elections : 1921 ,- successor is lionel hill henry barwell- party is australian labor party- monarch is george v- predecessor is henry barwell andrew kirkpatrick- term end is 28 august 1926 1924- term start is 16 april 1924 1918- name is john gunn- image is johngunn.jpg- governor is sir tom bridges