From a forum:
In 1945, an army psychologist named G.M. Gilbert, was allowed to examine the Nazi leaders who were tried at Nuremberg for war crimes. Among other tests, a German version of the Wechsler-Bellevue was administered. Here are the results:
1 Hjalmar Schacht 143
2 Arthur Seyss-Inquart 141
3 Hermann Goering 138
4 Karl Doenitz 138
5 Franz von Papen 134
6 Eric Raeder 134
7 Dr. Hans Frank 130
8 Hans Fritsche 130
9 Baldur von Schirach 130
10 Joachim von Ribbentrop 129
11 Wilhelm Keitel 129
12 Albert Speer 128
13 Alfred Jodl 127
14 Alfred Rosenberg 127
15 Constantin von Neurath 125
16 Walther Funk 124
17 Wilhelm Frick 124
18 Rudolf Hess 120
19 Fritz Sauckel 118
20 Ernst Kaltenbrunner 113
21 Julius Streicher 106
You may find these data in The Nuremberg Mind: The Psychology of the Nazi Leaders by Florence R. Miale and Michael Selzer, as well as in The Reich Marshal: A Biography of Hermann Goering by Leonard Mosley.
Notice that there is a clear correlation of IQ with social status. Notice, as I've pointed out before, that success in the practical socio-econimc sense usually goes to those with IQs between 125 and 150. And finally, notice that there are no towering IQs in the 150 plus range, as one would expect from theoreticians. None of these men were original thinkers.
What was Hitler's IQ? We will never know for sure, but we can guess that it wasn't much different from those at the top of this list. He wasn't an original thinker either.
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Colonel-Genera Volkogonov, the official biographer of Stalin,] said people frequently underestimated Stalin's intellectual powers and pointed out that he ran the Soviet Union for three decades without ever having a secretary, a speech writer or any confidant; and during that time he wrote thirteen volumes of published works, and two unpublished, all in long-hand.
Nicholas BERESTON, 1989, The Times, 11 iii
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I couldn't find any websites that speculated on Mussolini's IQ but I did find this BBC article that I found interesting:
Il Duce 'sought Hitler ban'
Italian dictator Benito Mussolini asked the Pope to excommunicate Adolf Hitler shortly before he went to Rome to seal their alliance in 1938, according to a Vatican document.
Details of Mussolini's secret request were found in the Vatican's recently opened secret archive which forms the basis of a book by Italian historian Emma Fattorini on the last days of Pius XI's papacy.
Ms Fattorini, a university professor in Rome, suggests the demand reflected the Italian leader's anger over Hitler's annexation of Austria in March 1938.
Although she also says Mussolini's actions may have been an attempt to set up the Church, in that if it did not act, he could accuse it of failing to listen to his warnings.
Despite the many stop and go situations, we are in fact in the middle of full Italian-German accord - and it is this that makes the request for an excommunication so sensational, Ms Fattorini reportedly said.
She said the document - found in the archive opened in February - showed Mussolini was playing a double game.
'Harsher measures'
Despite being baptised a Catholic by his mother, in his adult life Hitler was not a practicing Catholic.
It is thought however he would have been aware of the significance of an excommunication and would have avoided the ruling at all costs.
The account of the meeting in April 1938 was taken by Holy See representative Pietro Tacchi Venturi.
Mussolini had urged the Vatican to adopt harsher measures against Hitler, according to Mr Venturi's own account of their talks.
The head of the government told P. Tacchi Venturi in a private meeting that with Hitler it would be advisable to be more energetic, without half measures; not now, not immediately, but waiting for the best time to adopt these more energetic measures, for example excommunication, the record says.
In March 1938, Hitler annexed Austria and became a threat to Italian security - especially in Italy's German-speaking northern region.
However, Mussolini went on to sign a military alliance with Germany in 1939 and joined the war a year later.
It is not clear if the Church ever seriously considered excommunicating Hitler.
The Vatican archives relating to pre-war Germany were opened in a bid to counter charges that the Vatican did not do enough to prevent the Holocaust.
Story from BBC NEWS:
http://news.bbc.co.uk/go/pr/fr/-/1/hi/world/europe/3144984.stm Published: 2003/09/27 13:16:51 GMT