What do the following have in common that has been publicly disclosed ?
Alan Jones
Bob Hawke
Paul Keating
John Singleton
John Laws
Kerry Packer
Gordon Moyes
George Pell
Rupert Murdoch
Ray Hadley
Dr Neville Davis
NSW Police Commissioner John Avery
Richie Benaud
Frank Arkel
Jeff Kennett
Kim Beazley Snr
Kim Beazley Jnr
Bruce Spence
Rosalind Croucher
John Gittenger
Paul Wilson
Dr Leonas Petrauskas
Tony Bevan
Dr Antony Kidman
Justice David Yeldham
Roger Climspon
Frank Houston
Scott Morrison
Moly Meldrum
Don Talbot
Scott Volkers
Rolf Harris
Alexander Downer
Ron Woodham
Clarence Osborne
Kevin Lynch
Gough Whitlam
Neville Wran
John Kirk
Robert Hughes
Michael Kirby
Roger Rogerson
Bob Carr
Graham Kennedy
Bert Newton
Don Lane
Lionel Murphy
Stuart Wagstaff
Marcus Einfeld
John Marsden
Robert Menzies
Don Bourke
John Bell