There is no evidence to support this speculation.
howard
Howard Vernon - Australian actor - was born in 1845.
Howard Vernon - Australian actor - died in 1921.
Christian Howard - Australian footballer - was born on 1991-03-19.
Howard Beale - Australian politician - was born on 1898-12-10.
Howard Beale - Australian politician - died on 1983-10-17.
Howard Florey
If you mean the Prime Minister of Australia, then yes, he is Australian and has been from birth.
Former Australian Prime Minister, John Howard, has not yet died.
The only John Howard who is significant in Australian history is John Winston Howard, 25th Prime Minister of Australia.
John Howard was the Australian Prime minister from March 1996 until December 2007.
Australian Prime minister John Howard was finally defeated at the end of 2007 by Kevin Rudd.