After surviving artwork
Baruch Spinoza
1632 – 1677
PhilosophyPolitical theoryRationalismEarly modern
A lens grinder in The Hague who wrote his ethics as a geometry.
After surviving artwork. Based on the contemporary portrait tradition; no signed life portrait survives.
Why they still matter
He identified God with nature, treated the emotions as things that can be understood rather than obeyed, and argued for freedom of thought a century early.
The world they thought in
Expelled from Amsterdam's Jewish community at 23; published almost nothing under his own name while alive.
The questions they worked on
Reality
What is actually there behind appearances?
Identified God with nature.
The good life
How should a person live, given that they will die?
Treated the emotions as things to be understood.
Where the thinking travelled
Each link says what kind of link it is. A documented influence and a much later echo are not the same claim, and are never presented as one.
René DescartesDocumented influence
Began from Descartes and dismantled his two substances.
One demonstrably read, studied under or answered the other.
Take this further
Ponderers is the historical layer. A rabbit hole brings the same question into what people are arguing about now.