Brian J. L. Berry / Leonid E. Grinin / Andrey V. Korotayev / Philippe Jourdon / Lucas Bernard / Aleksandr V. Gevorkyan / Tom Palley / Willi Semmler / William R. Thompson / Arno Tausch / Denis J. Dean / Euel Elliott / Jonas Van Vossole / Peter Herrmann / Stephen I. Ternyik / Leo Nefiodow / Simone Nefiodow / Anton L. Grinin / Valentina M. Bondarenko / Nikolai D. Kondratieff / Barry K. Gills / Robert A. Denemark | 