Ludwig Wittgenstein (1889-1951)

Philosopher

1

Ernest Nagel (1901-1985)

Philosopher

2

Karl Popper (1902-1994)

Philosopher

3

Arthur Koestler (1905-1983)

Philosopher

4

Erik von Kuehnelt-Leddihn (1909-1999)

Philosopher

5

Paul Edwards (1923-2004)

Philosopher

6

Martin Buber (1878-1965)

Philosopher

7

Yehoshua Bar-Hillel (1915-1975)

Philosopher

8

Paul Feyerabend (1924-1994)

Philosopher

9