Isidor George Beaver, sometimes misspelt "Isidore" and "Beevor", and frequently initialised as "J. G. Beaver", was an architect from England who had a substantial career in Adelaide, South Australia and Melbourne, Victoria. He was also significant in the early history of ice skating in Australia.

Edmund William Wright was a London-born architect in the colony of South Australia. He was mayor of Adelaide for 10 months in 1859. He designed many civic, commercial, ecclesiastical, and residential buildings in Adelaide city centre and its suburbs, in styles influenced by French and Italian Renaissance, as well as Neoclassical architecture. He collaborated with other notable architects E. J. Woods, Isidor Beaver, and Edward Hamilton in designing some of the most notable buildings.