  This evocative essay focuses on mathematical activities witnessed by the
author along 1962-64 at IMPA. The list of research problems proposed in
September 1962 by Mauricio Peixoto at the Seminar on the Qualitative Theory of
Differential Equations is pointed out as a landmark for the beginning of the
systematic research in the Qualitative Theory of Differential Equations and
Dynamical Systems in Brazil.
