Letellier, ChristopheAbraham, RalphShepelyansky, Dima L.Rössler, Otto E.Holmes, PhilipLozi, RenéGlass, LeonPikovsky, ArkadyOlsen, Lars F.Tsuda, IchiroGrebogi, CelsoParlitz, UlrichGilmore, RobertPecora, Louis M.Carroll, Thomas L.2021-05-032021-05-032021-05-07Letellier, C, Abraham, R, Shepelyansky, D L, Rössler, O E, Holmes, P, Lozi, R, Glass, L, Pikovsky, A, Olsen, L F, Tsuda, I, Grebogi, C, Parlitz, U, Gilmore, R, Pecora, L M & Carroll, T L 2021, 'Some elements for a history of the dynamical systems theory', Chaos, vol. 31, no. 5, 053110. https://doi.org/10.1063/5.00478511054-1500unpaywall: 10.1063/5.0047851ORCID: /0000-0002-9811-4617/work/107061805https://hdl.handle.net/2164/16361Leon Glass would like to thank the Natural Sciences and Engineering Research Council (Canada) for its continuous support of curiosity-driven research for over 40 years starting with the events recounted here. He also thanks his colleagues and collaborators including Stuart Kauffman, Rafael Perez, Ronald Shymko, Michael Mackey for their wonderful insights and collaborations during the times recounted here. R.G. is endebted to the following friends and colleagues, listed in the order encountered on the road described: F. T. Arecchi, L. M. Narducci, J. R. Tredicce, H. G. Solari, E. Eschenazi, G. B. Mindlin, J. L. Birman, J. S. Birman, P. Glorieux, M. Lefranc, C. Letellier, V. Messager, O. E. Rössler, R. Williams. U.P. would like to thank the following friends and colleagues who accompanied his first steps into the world of nonlinear phenomena: U. Dressler, I. Eick, V. Englisch, K. Geist, J. Holzfuss, T. Klinker, W. Knop, A. Kramer, T. Kurz, W. Lauterborn, W. Meyer-Ilse, C. Scheffczyk, E. Suchla and M. Wisenfeldt. The work by L. Pecora and T. Carroll was supported directly by the Office of Naval Research (ONR) and by ONR through the Naval Research Laboratory’s Basic Research Program. C.L. would like to thank Jürgen Kurths for his support to this project.2169207423669781engQC PhysicsQA MathematicsQCQAJournal article10.1063/5.0047851315