The Hon Johann (John) Christian Heussler, 1820-1907, was a native of Germany who emigrated to Victoria, Australia in 1852. Due to poor health he moved to Brisbane 1854 and established the mercantile firm Heussler and Co. Over two decades Heussler became a highly respected business man and citizen of Queensland. He was recognised as a founding member of the Queensland Club, Consul for the Netherlands, German Consul, and Emigration Agent for German shipping companies. In 1866 he was appointed to the Queensland Legislative Council.