 After working as aviation correspondent for The Argus in Melbourne , Isaacson set up his first newspaper , the Advertiser , in 1947 ; he established Peter Isaacson Publications the same year . The Advertiser took over other community newspapers and became the Southern Cross , which Isaacson edited and published along with Sunday Observer and various business and industry magazines . In 1986 Peter Isaacson Publications took over the Asher Joel Media Group . Southern Cross was bought by APN News & Media in 1993 and Isaacson became APN 's director , serving until 1998 . He chaired TW Media from 1997 to 2005 . 
