[14] Kulp led a team, financed by the United States Atomic Energy Commission, that investigated the levels of strontium-90 finding itself into the human food chain because of nuclear weapons testing.
The reason for the estimated rise without any further testing was attributed to the large length of time strontium-90, due to its properties, is able to stay in the stratosphere before gradually settling to earth.
In June of the same year the National Academy of Sciences stated that both genetic effects and strontium-90 were potential long term hazards of nuclear weapons testing.
[24] Prior to his acting as an ad-hoc geological advisor to a Wheaton College alumna working towards a master's degree in physical anthropology at Columbia University Kulp, by his own admission, had "only read the various pseudo-scientific statements in Christian apologetical literature which blindly asserted that there was no evidence for man or manlike creatures earlier than 10,000 years ago."
He was shocked to discover that "[a] careful study of the tremendous number of geological facts concerning the chronology of the Pleistocene period make[s] it apparent that such creatures have been on the earth probably hundreds of thousands of years."
The paper led to considerable discussion and disagreement, particularly with the convention's host, botanist and Young Earth creationist Edwin Y. Monsma (who would later become one of the co-founders of the Creation Research Society).
He asserted that the "major propositions of the theory are contraindicated by established physical and geological laws" and focused on "four basic errors": Kulp's conclusion was that a Christian was faced with two choices.
Kulp submitted a second paper presented at that convention on radiocarbon dating, which argued that "preliminary work indicates Neanderthal remains (the youngest stratigraphically of the prehistoric fossil men) are at least older than 25,000 years.
"[26][27] Kulp's influence was largely responsible for isolating flood geologists within the ASA, and Deluge Geology caused them considerable discomfort for years to come.