Steiner triple systems were defined for the first time by Wesley S. B. Woolhouse in 1844 in the Prize question #1733 of Lady's and Gentlemen's Diary.
Системы троек Штейнера первым определил В.С.Б. Вулхауз в 1844 в премиальном вопросе #1733 в журнале Lady's and Gentlemen's Diary.