[3] Mention of Heim's physical and theological concept of extra-dimensional space can be found in a 2001 puzzle book by the popular mathematics writer Martin Gardner.
[4] His concept of space has also been discussed by Ian Barbour himself, who in a review of the book Christian Faith and Natural Science (English translation, 1953, Harper & Brothers) and in a mention of "its more technical sequel" The Transformation of the Scientific World-View (English translation, 1943, Harper & Brothers), found it to be "an illuminating insight.
"[5] Until the late 1960s Karl Heim's call for a religion and science dialogue was a lone voice amongst German theologians.
Within the realm of German scientists who were also Christian laity or religious proponents, Heim's views did however have contemporary company.
So while German theologians Karl Barth and Rudolph Bultmann discouraged all types of interdisciplinary religious dialogue with science or any other intellectual discipline, scientists such as Max Planck, Werner Heisenberg, Otto Hahn, Gunther Howe, and Carl Friedrich von Weizsacker readily participated in religion and science dialogues from the 1930s onward.