Seeking John Higgins

Denis Gibbon’s son Shaun is looking for John Higgins

Dear Sir,
I am trying to find Jonathan Francis Higgins a member of 7RAR. My father took photos of him during the Vietnam War.
https://www.awm.gov.au/collection/P04656.892
https://www.awm.gov.au/collection/P04655.081
Any information you could provide would be most appreciated.
Cheers
Shaun

If anyone can help Shaun contact him via his email sgibbons.sgss@gmail.com