LEIF YTTERGREN (born 1956) earned a Ph.D. in history and worked as an associate professor at the Swedish School of Sport and Health Sciences in Stockholm. He is the author of several books and articles on Swedish sport history. Yttergren’s research specialities include: traditional games, ski history, training history and Sigfrid Edström, the Swedish IOC president 1946 to 1952. Yttergren had a long career as a basketball player and won four Swedish championships. He played 124 international games for Sweden and represented Sweden in the Moscow Olympics in 1980.