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William Edwards Deming and Total Quality Management

William Edwards Deming and Total Quality Management

Harald Sack
On October 14, 1900, American engineer, statistician, author, lecturer, and management consultant William Edwards Deming was born. Deming often is referred to as the father of “Total Quality Management.” After World War II, he contributed to Japan‘s economic recovery by recommending statistical methods of quality control in industrial production. His method embraced carefully tallying product defects, examining their causes, correcting the problems, and then tracking the results of these changes on subsequent product…
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mathematics
Siméon Denis Poisson’s Contributions to Mathematics

Siméon Denis Poisson’s Contributions to Mathematics

Harald Sack
On June 21, 1781, French mathematician, geometer, and physicist Siméon Denis Poisson was born. He is known known for his work on definite integrals, advances in Fourier series, electromagnetic theory, and probability, esp. the eponymous Poisson series, the Poisson integral and the Poisson equation from potential theory. His works also included applications to electricity and magnetism, and astronomy. Simeon Denis Poisson – The Youth of a Mathematician Poisson was born in Pithiviers, Loiret,…
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mathematics
Florence Nightingale – The Lady with the Lamp

Florence Nightingale – The Lady with the Lamp

Tabea Tietz
On May 12, 1820, celebrated British social reformer and statistician Florence Nightingale was born. She is best known for being the founder of modern nursing. She came to prominence while serving as a nurse during the Crimean War, where she tended to wounded soldiers. She was known as “The Lady with the Lamp” after her habit of making rounds at night. Youth and Education It is known that Florence Nightingale was a…
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physics
Daniel Bernoulli and the Bernoulli Principle

Daniel Bernoulli and the Bernoulli Principle

Harald Sack
On February 8, 1700, (January 29, according to the then valid Julian calendar), Swiss mathematician and physicist Daniel Bernoulli was born. Being one of the many prominent mathematicians in the Bernoulli family, Daniel Bernoulli is particularly remembered for his applications of mathematics to mechanics, especially fluid mechanics, and for his pioneering work in probability and statistics. His name is commemorated in the Bernoulli principle, a particular example of the conservation of energy,…
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mathematics
Abraham de Moivre and the Doctrine of Chances

Abraham de Moivre and the Doctrine of Chances

Harald Sack
On May 26, 1667, French mathematician Abraham de Moivre was born. De Moivre is best known for de Moivre‘s formula, one of those that link complex numbers and trigonometry, and for his work on the normal distribution and probability theory. He was a friend of Isaac Newton, Edmond Halley, and James Stirling. De Moivre wrote a book on probability theory, The Doctrine of Chances, said to have been prized by gamblers. He…
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mathematics
John Graunt and the Science of Demography

John Graunt and the Science of Demography

Harald Sack
On April 18, 1674, English herberdasher and statistician John Graunt passed away. Graunt is considered by many historians to have founded the science of demography as the statistical study of human populations. For his published analysis of the parish records of christenings and deaths, he was made a charter member of the Royal Society. “Having always observed that most of them who constantly took in the weekly Bills of Mortality made little other use of them…
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mathematics
Nicolas de Condorcet and the Condorcet method

Nicolas de Condorcet and the Condorcet method

Harald Sack
On March 28, 1794, French philosopher, mathematician, and early political scientist Nicolas de Condorcet died a mysterious death in prison after a period of flight from French Revolutionary authorities. He is probably best known for the Condorcet method, which in voting tally selects the candidate who would beat each of the other candidates in a run-off election. Unlike many of his contemporaries, he advocated a liberal economy, free and equal public instruction, constitutionalism,…
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economics
Ernst Engel and Engel’s Law of Microeconomics

Ernst Engel and Engel’s Law of Microeconomics

Tabea Tietz
On March 26, 1821, German statistician Ernst Engel was born. Engel was head of the Prussian Statistical Bureau (1860-82) and is best known for the “Engel curve,” or Engel‘s law, which states that the proportion of expenditure on food will fall as income rises, i.e. food is a necessary good. He who attempts to draw any conclusion whatever as to the nation’s wealth or poverty from the mere fact of a favorable…
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biology
Sir Francis Galton – Polymath

Sir Francis Galton – Polymath

Tabea Tietz
On February 16, 1822, the cousin of Charles Darwin, Sir Francis Galton was born. Galton the polymath, was known for his fundamental contributions to anthropology, geographics, genetics, psychology, statistics, and eugenics. He also was the first to apply statistical methods to the study of human differences and inheritance of intelligence, and introduced the use of questionnaires and surveys for collecting data on human communities, which he needed for genealogical and biographical works and for…
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mathematics
Prasanta Chandra Mahalanobis and Statistics

Prasanta Chandra Mahalanobis and Statistics

Tabea Tietz
On June 29, 1893, Indian statistician Prasanta Chandra Mahalanobis was born. Mahalanobis is best remembered for the Mahalanobis distance, a statistical measure and for being one of the members of the first Planning commission of free India. He also made pioneering studies in anthropometry in India. He also devised fractile graphical analysis to study socioeconomic conditions. He applied statistics to issues of crop yields and planning for flood control. “In India, there’s…
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