Looking for Information on Basil Ross Keith Paterson

Iam looking for any information on my Grandfather Basil Ross Keith Patterson, he was born 1st March 1920 in Ashfield, N.S.W. His fathers name is Albert Patterson, he married my Granmother Veda Bethel Windle, 1942 at North Sydney. He served in the Second Australian Imperial Forces, 1939-1947..