Proposed calculations of the date of creation, using the Masoretic from the 10th century – 18th century include: Marianus Scotus (4192 BC), Maimonides (4058 BC), Henri Spondanus (4051 BC), Benedict Pereira (4021 BC), Louis Cappel (4005 BC), James Ussher (4004 BC), Augustin Calmet (4002 BC), Isaac Newton (4000 BC), Johannes Kepler (27 April, 3977 BC) [based on his book Mysterium], Petavius (3984 BC), Theodore Bibliander (3980 BC), Christen Sørensen Longomontanus (3966 BC), Melanchthon (3964 BC), Martin Luther (3961 BC), John Lightfoot (3960 BC), Cornelius Cornelii a Lapide (3951 BC) Joseph Justus Scaliger (3949 BC), Christoph Helvig (3947 BC), Gerardus Mercator (3928 BC), Matthieu Brouard (3927 BC), Benito Arias Montano (3849 BC), Andreas Helwig (3836 BC), David Gans (3761 BC) and Gershom ben Judah (3754 BC).
Among the Masoretic creation estimates or calculations for the date of creation Ussher's specific chronology dating the creation to 4004 BC became the most accepted and popular, mainly because this specific date was attached to the King James Bible.
However some contemporary or more recent proponents of Young Earth Creationism have taken this figure back further by several thousands of years by proposing significant gaps in the genealogies in chapters 5 and 11 of the Book of Genesis.
Harold Camping for example dated the creation to 11,013 BC, while Christian Charles Josias Bunsen in the 19th century dated the creation to 20,000 BC.
Rather than accepting that the Earth was deteriorating from a primal state, he maintained that the Earth was infinitely old.
Hutton stated that: the past history of our globe must be explained by what can be seen to be happening now …
The energetic advocacy and rhetoric of Lyell led to the public and scientific communities largely accepting an ancient Earth.
It is, therefore, no surprise that in their theological works, as opposed to their creation science writings, creationists regard evolution and all other theories associated with it, as the intellectual source for and intellectual justification of everything that is to them evil and destructive in modern society.
For them all that is spiritually healthy and creative has been for a century or more under attack by "that most complex of godless movements spawned by the pervasive and powerful system of evolutionary uniformitarianism", "If the system of flood geology can be established on a sound scientific basis...
Shai Cherry of Vanderbilt University notes that modern Jewish theologians have generally rejected such literal interpretations of the written text, and that even Jewish commentators who oppose some aspects of science generally accept scientific evidence that the Earth is much older.
Many of the earliest Christians who followed the Septuagint calculated the date of creation to be around 5500 BC, and Christians up to the Middle Ages continued to use this rough estimate: Clement of Alexandria (5592 BC), Sextus Julius Africanus (5501 BC), Eusebius (5228 BC), Jerome (5199 BC) Hippolytus of Rome (5500 BC), Theophilus of Antioch (5529 BC), Sulpicius Severus (5469 BC), Isidore of Seville (5336 BC), Panodorus of Alexandria (5493 BC), Maximus the Confessor (5493 BC), George Syncellus (5492 BC) and Gregory of Tours (5500 BC).