He died at Sydney Hospital of a myocardial infarction in October of that year and Heffron succeeded him unopposed in the premiership .
A heavy smoker , Cahill suffered increasingly poor health during 1959 , with Deputy Premier Bob Heffron often acting in Cahill 's place during these times .
Cahill died at Sydney Hospital of a myocardial infarction in October of that year and Deputy Premier succeeded Cahill unopposed in the premiership .
A heavy smoker , Cahill suffered increasingly poor health during 1959 , with Deputy Premier Bob Heffron often acting in Cahill 's place during these times .