In 1955, William (Bill) Douglas commenced private practice in Brisbane as William L. Douglas Architect, then in 1957 partnered with Barry Barnes to establish Douglas and Barnes, operating in South East Queensland. Barnes managed projects on the Gold Coast, while Douglas focused on Brisbane. In 1968 the partnership evolved into Douglas, Barnes and Associates until its dissolution in 1972, when the practice returned to Bill Douglas's sole ownership, operating as William L Douglas and Associates. In 1978, Peter Daly and Ray Bottger joined Bill Douglas as directors, and by 1979, the firm was renamed Douglas, Daly and Bottger Architects (DDB Architects). In 1998, DDB Architects merged with Woodhead International, resulting in the formation of Woodhead International DDB, with Douglas and Bottger continuing as principles. Douglas retired in 2003 and the firm continued to operate under the name Woodhead International.

Historian John Anthony Moses was born in Atherton, Queensland, on 10 June 1930. He completed a Bachelor of Arts degree (1960) and Master of Arts degree (1963) at the University of Queensland before moving to Germany where he completed his Doctor of Philosophy (1965) at the University of Erlangen. After returning to Australia he was appointed as a Tutor in the Department of History at the University of Queensland, where he remained for three decades. He held numerous positions, including Lecturer, Senior Lecturer and Reader. He served as Head of the Department of History from 1986 to 1989. He retired in 1995, though was an Honorary Research Consultant in the Department of History until 1997. He published works on German and trade union history and was editor of The Australian Journal of Politics and History. John Moses died on 30 May 2024.

The Holy Name Cathedral was a planned but never fully constructed Roman Catholic cathedral in Brisbane, intended to be one of the largest Christian church buildings in the Southern Hemisphere. The proposed location was a block bordered by Gotha, Gipps, Wickham and Ann Streets at the northern entrance to Brisbane's Central Business District. Archbishop James Duhig championed the ambitious project. Designed in 1925 by Jack Hennessy from Sydney-based architecture firm Hennessy, Hennessy & Co, building began in 1927, and the foundation stone was laid in 1928. Financial difficulties plagued the project and were exacerbated by the Great Depression. By the 1930s, services were held in the crypt chapel, the only section completed. No further construction progress was made, and after Duhig's death in 1965, the project stalled and was formally abandoned in the 1970s. In 1985, the Roman Catholic Church sold the Holy Name Cathedral site to developers, who received approval to demolish the crypt, foundations, the steps, and part of the wall along Gotha Street in 1992. An apartment complex called Cathedral Place was subsequently built. The perimeter wall along Ann Street and part of Gotha Street were preserved and added to the Queensland Heritage Register in 1992.

John Francis (Jack) Hennessy (1853–1924) went into partnership in an architectural practice in 1912 with his son, also named John Francis (Jack) Hennessy (1887-1955). The firm became known as Hennessy & Hennessy. In 1924, the older Jack retired and the younger Jack took over as the head of the firm, which continued under the same name, though it was sometimes referred to as Hennessy, Hennessy & Co. From 1925 to 1926, the firm expanded to include more partners and was briefly known as Hennessy & Hennessy, Keesing and Co and J.P. Donoghue. After 1926, the firm reverted to its original name, Hennessy & Hennessy, or Hennessy, Hennessy & Co. One of the major projects of the firm was the Great Court at the University of Queensland and the Holy Name Cathedral in Brisbane, the latter of which was never fully completed. Jack F. Hennessy died in 1955 and the firm continued to operate under the leadership of Leo Drinan. After Leo Drinan's death in 1967 the Brisbane branch was taken over by Martin Conrad and the Sydney office closed shortly thereafter. It continued to operate until 1967