The chronology of Donovan Courville as described in The Exodus Problem and Its Ramifications. The Glasgow Chronology formulated by members of Velikovsky's Society for Interdisciplinary Studies in 1978. The Centuries of Darkness (1991) model by Peter James et al. "would move the end of the Egyptian New Kingdom from 1070 BC to around 825 BC",[20] and lower all earlier dates with it, due to miscalculations of the Third Intermediate Period.