Ludwig Wittgenstein (voice)
Karl Popper (voice)
Bertrand Russell (voice)
5.5
/2006
5.563
/2007
6.7
/2018
5.3
/2021
6.1
/2019
6.6
/2012
7.5
/1990
6
/2005
5.9
/2005
6.031
/1997
6.7
/1963
6.24
/1983
4.8
/1967
0
/NaN
6.8
/1989
6.4
/2014
4
/2017
0
/2017
0
/2016
5.8
/2017