It also heralded the start of a distinguished career as a non-fiction author, for which Gavin would eventually be awarded the Order of Australia. But there was also another focus: family.
In 1965, Gavin and wife Ngaire settled at 28 Mandolong Rd, Mosman with their two daughters.
“Our motivation at the time was to be close to the babysitters – Ngaire’s parents – but Mosman was a nice place to live at the time too,” he says.
In 1991, Gavin was commissioned to write a history of Mosman, for the centenary year of the Mosman Municipal Council.
The exhaustive project, two years in the making, revealed a swag of previously untold local stories, like the unconventional religious group who built a huge amphitheatre at Balmoral.