In 1946 she was awarded a scholarship to Newnham College, at the University of Cambridge, where she earned her Ph.D. and spent 14 years as a research fellow and assistant lecturer.
Among her students there was the poet Sylvia Plath,[1] who wrote that Krook was her ideal of a successful career woman and wonderful human being.
While at Newnham, Krook published her first major critical work, Three Traditions of Moral Thought.
In 1960, she emigrated to Israel and began teaching at the Hebrew University of Jerusalem in the Department of English Literature.
[2] Krook married the poet Zerubavel Gilad in 1968 and became a member of Kibbutz Ein Harod.