In 1999 his wife died and he died in 2008 survived by his second wife , Erika , and two sons , Peter and Frank Walker .
Walker retired to Budgewoi , New South Wales in 1980 and wrote a number of military histories .
In 1999 Walker 's wife died and he died in 2008 survived by his second wife , Erika , and two sons , Peter Walker   Walker .
Walker retired to Budgewoi , New South Wales in 1980 and wrote a number of military histories .