requiring students and faculty to sign a statement of faith to ICR's fundamentalist religious mission, most notably in affirming conformity in all its work to Biblical doctrine. Pigliucci notes that any research conducted within the ICR's policy framework is prescribed at the outset by Biblical literalism, and thus antithetical to the methods and framework used by scientists. As examples, Pigliucci cites ICR scientist Harold Slusher resorting to non-Euclidean and non-Einsteinian explanations of light travel to reconcile the vast distances light travels in space with the brief timescale given in young earth creationism, and the association adopted by the ICR between the second principle of thermodynamics and the Bible's account of the fall of Adam. Pigliucci further claimed that "some of the historical claims found in the ICR museum are also stunning and show how easily ideology gets the better of accuracy." On January 7, 2007, the National Center for Science Education reported that Grand Canyon: A Different View, edited by Tom Vail and published by Master Books, the publishing arm of the Institute for Creation Research, and described as promoting "a young-earth creationist view of the geology of the Grand Canyon," was facing new scrutiny by Public Employees for Environmental Responsibility (PEER) in December 2006. The Chief of the Park Service's Geologic Resources Division recommended its removal on grounds that it "does not use accurate, professional and scholarly knowledge; is not based on science but a specific religious doctrine; does not further the public's understanding of the Grand Canyon's existence; [and] does not further the mission of the National Park Service". A report by the National Center for Science Education, written by Chemist Karen Bartelt was critical of the ICR representatives and displays in the "museum". Criticism from old Earth creationists Old Earth creationists are opposed to the ICR. Gary North opposes the ICR on the grounds that they think the second principle of thermodynamics contradicts evolution, and John W. Robbins considers the ICR's activities a "fraud". The old-Earth creationist organization Answers In Creation criticizes the ICR, including a critical review by Kevin R. Henke of the ICR's dating claims. Henke concluded that the ICR's "research" was improperly conducted and "was unsuccessful in adequately separating the volcanic glass from the much older minerals". Another creationist opponent of ICR and its doctrine is Hugh Ross, who accepts the scientific consensus of a 4.54 billion year old Earth and is critical of