John Greeley Jenkins was an American-Australian politician. He was Premier of South Australia from 1901 to 1905. He had previously served as Minister for Education and the Northern Territory and Commissioner for Public Works under Thomas Playford II, Commissioner of Public Works under Charles Kingston and Chief Secretary under Frederick Holder. He was subsequently Agent-General for South Australia from 1905 to 1908.

Archibald Henry Peake was an Australian politician. He was Premier of South Australia on three occasions: from 1909 to 1910 for the Liberal and Democratic Union, and from 1912 to 1915 and 1917 to 1920 for its successor, the Liberal Union. He had also been Treasurer and Attorney-General in the Price-Peake coalition government from 1905 to 1909.