John Graunt

1
John Graunt (1620-1674)
2
Jacob (Jacques) Bernoulli 1654-1705

• Ars Conjectandi
• Law of Large Numbers

3
Abraham de Moivre 1667 - 1754
1756 edition approximation to the binomial
distribution by the normal distribution in the
case of a large number of trials.
4
Adrien-Marie Legendre 1752 - 1833

• Method of Least Squares

5
Lambert Adolphe Jacques Quetelet 1796 - 1874

• For his government he collected and analyzed
  statistics
• on crime, mortality etc. and devised improvements
  in census taking

• the average man as the central value about which
  measurements
• of a human trait are grouped according to the
  normal curve

6
Francis Galton 1822 - 1911

• the founder of the study of eugenics.
• anthropological inquiries, especially into the
  laws of heredity,
• application of statistical methods.
• In 1869, in 'Hereditary Genius', he endeavoured
  to
• prove that genius is mainly a matter of ancestry,
  
• and he followed that up with many other books and
  
• papers on various aspects of the subject.

7
William Sealey Gosset 1876 - 1937

• wrote under the name "Student"
• invented the t-test to handle small samples for
  quality
• control in brewing.

8
Sir Ronald Aylmer Fisher 1890 - 1962

• the development of methods suitable for small
  samples
• the discovery of the precise distributions of
  many
• sample statistics
• invented of analysis of variance.