Lieutenant Ralph Clark (30 March 1755 or 1762 – June 1794) was a British officer in the Royal Marines, best known for his diary spanning the early years of British settlement in Australia, including the voyage of the First Fleet. He returned to England aboard HMS Gorgon, arriving in June 1792, and was then posted to the West Indies to fight in the French Revolutionary Wars, dying in a battle off the coast of Hispaniola in June 1794.
Watkin Tench (6 October 1758 – 7 May 1833) was a British marine officer who is best known for publishing two books describing his experiences in the First Fleet, which established the first settlement in Australia in 1788. His two accounts, "Narrative of the Expedition to Botany Bay" and "Complete Account of the Settlement at Port Jackson" provide an account of the arrival and first four years of the colony.
William Dawes (1762–1836) was an officer of the Royal Marines, an astronomer, engineer, botanist, surveyor, explorer, abolitionist and colonial administrator. He traveled to New South Wales with the First Fleet on board HMS Sirius.
Colonel David Collins, Advocate General of New South Wales (3 March 1756 – 24 March 1810) was the first Lieutenant Governor of the Colony of Van Diemens Land, founded in 1804, which in 1901 became the state of Tasmania in the Commonwealth of Australia.