Sonja Arntzen is professor emerita of literature at the University of Toronto and the University of Alberta. Her books include The Kagerō Diary: A Woman’s Autobiographical Text from Tenth-Century Japan (1997).
Itō Moriyuki is professor of Japanese literature at Gakushūin Women’s College in Tokyo. His book Sarashina nikki kenkyū (Research on the Sarashina Diary, 1995) is recognized as the definitive work on the diary.