Naval officer, born 9 October 1887 at Christchurch, Aotearoa/New Zealand. Son of Captain Christopher Garsia and Elizabeth Parker Garsia (nee Watson). Educated at Christchurch Boys' High School and later in England on HMS Britannia (the Royal Navy's training ship). Brother of Lieutenant Oliver Dunham Melville Garsia, Duke of Cornwalls Light Infantry (Information from Auckland War Memorial Museum cenotaph records).

Lieutenant (later Lieutenant Commander) Theodorus Bailey Myers Mason was founder and first head of the United States Office of Naval Intelligence, with the post of Chief Intelligence Officer (prior to it being designated as Director of Naval Intelligence in 1911). From a distinguished New York family, he was son of Theodorus Bailey Myers, a lawyer and a Colonel in the United States Army during the Civil War. He took his name Mason from his maternal grandfather who had no heirs. Graduated from the United States Naval Academy in 1868, before travelling extensively with the US Navy. Married to Edmonia Taylor Phelps in 1875. Mason retired in 1894 and died 1899 in New York State.

Rev. Dr Ernest Edgar Vyvyan Collocott was a missionary and scholar born 7 June 1886 at Northcote, Melbourne, son of Victorian-born parents Alfred John Collocott, a Methodist minister who had recently returned from Fiji, and his wife Alice Jane, née Bickford. E.E.V. Collocate entered the Methodist ministry in 1911 and the same year went to Tonga as a missionary with his wife Edith Idabelle Bickford. In 1915, he became principal of Tupou College, Nuku'alofa. Collocott conducted his own research of the history and culture of Tonga and published as well as acting as an intermediary for other researchers. He is also known for his peace activism.

A missionary with the London Missionary Society in the Society Islands from 1861 to 1886. From May 1870, he was stationed on Tahiti, but made frequent visits to other islands.

Archdeacon Gill, from a family of Pacific missionaries, joined the Anglican mission to Papua in 1908. Ordained at Dogura in 1910, and his first parish was at Boianai, where he remained until 1922. He moved to the Mamba district, where he established a temporary station at Manau on the mouth of the Mamba (or Mambare) River. Two years later he began work on Duvira (Maimba) Mission, which became his head station for 18 years. Duvira was destroyed by the Japanese in 1942. In 1943, he began building a new mission station at nearby Dewade. Retired in 1952, Gill died in England in 1954.

Sir Arthur Grimble, born in Hong Kong in 1888, was a British Colonial Service administrator and writer. After joining the Colonial Office in 1914 he became the first cadet administrative officer in the Gilbert and Ellice Islands. From April 1919 he acted as the Resident Commissioner until Herbert Reginald McClure took up this appointment. In 1925, Grimble succeeded McClure as Resident Commissioner. He learned the local language, and recorded oral traditions of the Kiribati people. He remained in the islands until 1933. He published a number of books as well as being a radio broadcaster. Grimble also designed the coat of arms of the British colony of the Gilbert and Ellice Islands, and the design remains on the flag of Kiribati.