As an author he is considered a systematizer of the philosophical thought.
From the en.wikipedia.org
Not even as a systematizer.
From the en.wikipedia.org
He is known today as the systematizer of Spiritism for which he laid the foundation with the five books of the Spiritist Codification.
From the en.wikipedia.org
But ultimately, just like Socrates had his Plato, Jesus had his Paul, and what has endured is the writings of the systematizer not the words of the master who led his disciples by example.
From the economist.com
And if you descend into the bowels of the various leviathans, why there you will not find distinctions a fiftieth part as available to the systematizer as those external ones already enumerated.