Georg Henrik von Wright was a Finnish philosopher.
G. H. von Wright in 1961
Image: Georg Henrik von Wright home 1
Ludwig Josef Johann Wittgenstein was an Austrian philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language.
Wittgenstein in 1929
Karl Wittgenstein was one of the richest men in Europe.
Palais Wittgenstein, the family home, around 1910
Ludwig, c. 1890s