He married Irene Saunders in 1924 and they had four children: two boys, Dudley and Geoffrey and two girls, Shirley and Dorothy.
From 1911 to 1915 Kurth studied at the Western Australian School of Mines, Kalgoorlie, qualified for the Associateship in Metallurgy and in 1915 held the position of demonstrator in Chemistry.
From 1916 to 18 he joined the Sons of Gwalia Ltd Gold Mine at Gwalia, WA, and in 1918 moved to Hobart, Tasmania, where he first worked as a research chemist for the Electrolytic Zinc Co. in the early stages of its establishment at Risdon, and then joined the staff of the Hobart Technical College.
1934 - Holder of the Australian Letters Patent 19231/34 for the process of manufacturing of bituminous substances by the concentration of Tasmanite Oil Shale.
1924-1937 - Referee Analyst for Government on commercial interests on liquors, foods, oils, bitumen, alloys, soils, fish product and other items and was a member of the State Development Advisory Board.