Edmund Barton, Australian judge and politician, 1st Prime Minister of Australia (died 1920)

Sir Edmund "Toby" Barton was an Australian politician, barrister and jurist who served as the first prime minister of Australia from 1901 to 1903. He held office as the leader of the Protectionist Party, before resigning in 1903 to become a founding justice of the High Court of Australia, on which he served until his death in 1920. Barton is regarded as a founding father of Australia, a principal leader in the federation of the Australian colonies and a drafter of the Commonwealth Constitution.

The prime minister of Australia is the head of government of the Commonwealth of Australia. The prime minister is the chair of the Cabinet of Australia and thus the head of the federal executive government. Under the principles of responsible government, the prime minister is both responsible to and a member of the Commonwealth Parliament. The current prime minister is Anthony Albanese of the Australian Labor Party, who assumed the office on 23 May 2022.