He served as consulting editor for literature at Nobelprize.org. Dr. Hallengren is a fellow of The Hemingway Society (USA) and was on the Steering Committee for the 1993 Guilin ELT/Hemingway International Conference in the People’s Republic of China. Among his works in English are The Code of Concord: Emerson’s Search for Universal Laws; Gallery of Mirrors: Reflections of Swedenborgian Thought; and What is National Literature: Lectures on Emerson, Dostoevsky, Hemingway and the Meaning of Culture.