Margaret Thatcher Margaret Thatcher Margaret Hilda Thatcher, Baroness Thatcher, (; 13 October 19258 April 2013) was a British stateswoman who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the longest-serving British prime minister of the 20th century and the first woman to hold that office. A Soviet journalist dubbed her "The 'Iron Lady, a nickname that became associated with her uncompromising politics and leadership style. As Prime Minister, she implemented policies known as Thatcherism. A research chemist at Somerville College, Oxford, before becoming a barrister, Thatcher
Department of the Prime Minister and Cabinet (Australia) The Group was formerly led by the post of National Security Adviser (NSA) which was established in December 2008 by Prime Minister Kevin Rudd and disbanded in 2013 by Prime Minister Tony Abbott with responsibilities transferred back to the Deputy Secretary of the National Security and International Policy Group. The inaugural NSA was Major General Duncan Lewis serving until 2011. The second and final NSA was Dr Margot McCarthy serving from 2011 to 2013. The Special Adviser to the Prime Minister on Cyber Security and their office is responsible for national leadership on cyber security policy, coordination of priorities for