He didn't go to Australia.
Background to this
Mary Harden age 48 left London for Brisbane on the Maloja, 30 Jan 1950
Address 64 St Heliers Rd Blackpool
Occupation Domestic
Intends to reside in Australia
NAA has
Harden, Mary - departed Tilbury on the SS Maloja on 31 January 1950 - arrived in Brisbane 16 March 1950
Image shows her as married, d-o-b 11 April 1901.
It says Applicants husband will not proceed to Australia.