right|150px|thumb|Joseph Lyons, inaugural leader of the UAP and the party's first prime minister Joseph Lyons began his political career as an Australian Labor Party politician and served as Premier of Tasmania. Lyons was elected to the Australian Federal Parliament in 1929 and served in Prime Minister James Scullin's Labor Cabinet. Lyons became acting Treasurer in 1930 and helped negotiate the government's strategies for dealing with the Great Depression. With Scullin temporarily absent in London, Lyons and acting Prime Minister James Fenton clashed with the Labor Cabinet and Caucus over economic policy, and grappled with the differing proposals of the Premier's Plan, Lang Labor, the Commonwealth Bank and British adviser Otto Niemeyer.
right|150px|thumb|Joseph Lyons, inaugural leader of the UAP and the party's first prime minister Joseph Lyons began his political career as an Australian Labor Party politician and served as Premier of Tasmania Lyons was elected to the Australian Federal Parliament in 1929 and served in Prime Minister James Scullin's Labor Cabinet. Lyons became acting Treasurer in 1930 and helped negotiate the government's strategies for dealing with the Great Depression. With Scullin te.mporarily absent in London, Lyons and acting Prime Minister James Fenton clashed with the Labor Cabinet and Caucus over economic policy, and grappled with the differing proposals of the Premier's Plan, Lang Labor, the Commonwealth Bank and British adviser Otto Niemeyer.