An active member of the zoological research community at Stockholm College from the early 1900s, she was the first woman to be appointed to a teaching position there and went on to earn a doctorate in 1908.
From 1916 to 1940, Christie-Linde established a close relationship with the invertebrate section of the Swedish Museum of Natural History where she spent short periods as curator.
[1][2][3] Born on her parents' farm near Vingåker, Södermanland County, in south-eastern Sweden, August Marie Ärnbäck-Andersson was the daughter of the farmer Anders Andersson and his wife Augusta née Larsson.
[2] As the first woman to hold such a position, she attracted considerable attention including negative reactions from some of her male colleagues.
[1] While undertaking her studies, from 1900 Christie-Linde published scientific papers under the name Ärnbåack-Christie-Linde, initially on the anatomy of mamels but soon on her increasing interest in marine life, in particular tunicates.