Custance obtained a Ph.D. in education from the University of Ottawa, which has been incorrectly cited in creationist literature as a Ph.D. in anthropology or physiology.
[2] Between 1957 and 1972 he wrote the ten volume "Doorway Papers" that attempt to bridge the gap between a scientific and a Christian worldview.
In his scientific career, Custance "developed and designed respirator mask, mask-sizing meter, anthropometric facial contour measuring device.
Robert L. and Charles W. Asbell studied directly with Arthur Custance and write of these ideas in Scripture Research Vol 4, No 5, 2007.
Those theories can see the virgin birth as related to incarnational or Biblical terminology, such as the Son of God, without directly being causal to the sinless nature of the Messiah.