Roald Dahl was only born after World War II.
Roald Dahl . Born in Wales to Norwegian parents , Dahl served in the Royal Air Force during the Second World War , in which he became a flying ace and intelligence officer , rising to the rank of acting wing commander . World War II ( often abbreviated to WWII or WW2 ) , also known as the Second World War , was a global war that lasted from 1939 to 1945 , although related conflicts began earlier .