Ernst Axel Henrik (Axel) Key (1832–1901)
Swedish anatomist and physiologist. Studied at Lund, Bonn, and Berlin. MD, Lund, 1862. Professor of pathological anatomy, Karolinska Institute, Stockholm, 1862; rector, 1886–97. Represented Stockholm in the Swedish parliament, 1882–7. Collaborated with Gustaf Retzius on an important study of the anatomy of the nervous system, 1875–6.