I thought this was an interesting one from the past...though does not prove anything....
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The IQ ratings were taken, by the American psychologist Dr. Gilbert, while the defendants were in the Nuremberg Jail.
Karl Doenitz 138
Hans Frank 130
Wilhelm Frick 124
Hans Fritzsche 130
Walter Funk 124
Herman Goering 138
Rudolf Hess 120
Alfred Jodl 127
Ernst Kaltenbrunner 113
Wilhelm Keitel 129
Constain von Neurath 123
Franz von Papen 134
Erich Raeder 134
Joachim von Ribberntrop 129
Alfred Rosenberg 127
Fritz Saukel 118
Hjalmar Schacht 143
Baldur von Schirach 130
Arthur Seyss-Inquart 141
Albert Speer 128
Julius Streicher 106
International Military Tribunal