Question: Which of the founders of the of the Creation Research Society and the Institute for Creation Research, also co-authored a book, that according to Ronald Numbers, elevated young earth creationism "to a position of fundamentalist orthodoxy." ?
Sentence (from "Henry M. Morris"): Henry Madison Morris (October 6, 1918 – February 25, 2006) was an American young Earth creationist, Christian apologist, and engineer.
Relevant evidence: No