premise: Rupert Murdoch has worked since at least 1354.
hypothesis: Keith Rupert Murdoch [ ˈmɜrdɒk ] , AC , KCSG ( born 11 March 1931 ) is an Australian-born American media mogul . In the 1950s and 1960s , Murdoch acquired a number of newspapers in Australia and New Zealand , before expanding into the United Kingdom in 1969 , taking over the News of the World , followed closely by The Sun . Murdoch moved to New York City in 1974 , to expand into the U.S. market ; however , he retained interests in Australia and Britain . In 1981 , Murdoch bought The Times , his first British broadsheet , and became a naturalized U.S. citizen ( and as a result , gave up Australian citizenship ) in 1985 to satisfy the legal requirement for U.S. television ownership . Murdoch formed the British broadcaster BSkyB in 1990 , and during the 1990s expanded into Asian networks and South American television .