Austrian author Auguste Groner (née Kopallik; 16 April 1850 - 7 March 1929) is best known for his detective fiction. She also published works using the pseudonyms Olaf Björnson and A. the Metis, Renorga, and Paura. The daughter of an accountant, Auguste Groner was born in Vienna, Austria, in 1850. Franz Kopallik, a painter, and Josef Kopallik, a theologian, were two of her brothers. She received her education in Vienna, at the Vienna Woman's Teacher Training Institute as well as the painting program at the Vienna Museum of Applied Arts. She served as a primary school teacher in Vienna from 1876 to 1905. She wed lexicographer and journalist Richard Groner in 1879. She started writing in the early 1880s, primarily historical and children's fiction. She switched to writing crime fiction around 1890, creating Joseph Müller, the first serial police detective in German crime literature, who makes his debut in the 1890 novella The Case of the Pocket Diary Found in the Snow. She is best known outside of Austria for her crime fiction.