In the course of history of science had presented many times when its protagonists have left their legacy printed. Although the dynamism of science does not allow stagnation in time, each was impregnated with facts, realities, and situations that should be analyzed from an analytical and unbiased look. This article presents one such analysis to define what is and is not science, and attempts to answer the question of what is science done for, all from a vision of scientific disciplinarity.En el transcurrir de la historia de la ciencia, se presentan diversos momentos en los que sus protagonistas han dejado su legado impreso. Aunque el dinamismo de la ciencia no permite su estancamiento en el tiempo, cada era la impregna de hechos, realidades...