The author describes at a glance the entire works of his Master as a journey made of significant
and relevant stages connected by a «file rouge» represented by the idea of the studying of the
law such as a human science. Educated at the school of the positivism (Donati, Guicciardi), He has
drawn, likewise a painter, its works with the passion of an artist and the attention of a scientist.
Along the way and during his long and multifaceted life, the real meaning of the function of the administrative
procedure and administrative justice is discovered in its significant «political» role: the
public administration must always justify itself not as a naked power, for the dominant reason that
the «active citizen» has to be regarded and treated at the same level of administration, on a parity