“My research leads me inescapably to the opinion that the major cause of the American Negro's intellectual and social deficits is hereditary and racial genetic in origin and thus not remediable to a major degree by practical improvements in environment.”
Interview with Black journal.
Help us to complete the source, original and additional information
William Shockley 5
American physicist and inventor 1910–1989Related quotes

Source: 1940s, Action research and minority problems, 1946, p. 35.

Source: Differential Psychology: Towards Consensus (1987), p. 424

At the Commonwealth Heads of Government Meeting (23 November 2007), as quoted in "Listen to the young, says Queen" http://news.bbc.co.uk/2/hi/africa/7108896.stm (23 November 2007), BBC News, United Kingdom: British Broadcasting Corporation
2000s
Source: Democracy Ancient And Modern (Second Edition) (1985), Chapter 1, Leaders and Followers, p. 3

Wright Jr. 87 Years Behind the Black Curtain: An Autobiography. 1965

p. 82 of How Much Can We Boost IQ and Scholastic Achievement? (1969) https://en.wikipedia.org/wiki/How_Much_Can_We_Boost_IQ_and_Scholastic_Achievement%3F, the invited paper that created much hostility towards Jensen.
“The deadliest contagion is majority opinion.”
Source: Meditations in Wall Street (1940), p. 108