ArticleslgStudy

mathematics

Louis Israel Dublin

Louis Israel Dublin is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Louis Israel Dublin rather than just read about it. In short: Louis Israel Dublin (November 1, 1882 – March 7, 1969) was a Jewish American statistician. As vice president and statistician of the Metropolitan Life Insurance Company, he promoted progressive and socially useful insurance underwriting policies.

Louis Israel Dublin — main illustration
Louis Israel Dublin — illustration

Key takeaways

  • Louis Israel Dublin belongs to mathematics; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Louis Israel Dublin to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Louis Israel Dublin from memory before moving on to harder problems.

Reference excerpt

Louis Israel Dublin (November 1, 1882 – March 7, 1969) was a Jewish American statistician. As vice president and statistician of the Metropolitan Life Insurance Company, he promoted progressive and socially useful insurance underwriting policies. As a scholar, Dublin was an important figure in the establishment of demography as a social-scientific discipline in the United States during the 1920s and 1930s. Dublin was interested in eugenics but as a Jew of recent immigrant extraction criticized eugenicists for equating biological superiority with Nordic origins.

Biography Dublin was born in Kovno, Russian Empire. He came to the U.S. in 1886 with his parents Max and Sarah (Rosensweig). Dublin obtained his bachelor's in 1901 at City College of New York. He earned his Ph.D. at Columbia University in 1904. He married Augusta Salik on April 5, 1908. Dublin taught at Yale as a lecturer in vital statistics. In 1924 served as president of the American Statistical Association. He died in Winter Park, Orange County, Florida at the age of 86.

Body Mass Index While serving as a vice president at Met Life Insurance and as a statistician Dublin developed a height for weight table based on longevity of life insurance holders in the early 1940s. These tables would later develop into the Body Mass Index developed by University of Minnesota's cholesterol and heart disease physiology researcher Ancel Keys in 1972. Keys intended the BMI to be used only for the study of groups and not to be applied to individuals. The index is statistically very limited in usefulness as covered a very limited demographic of people who were able to afford life insurance and who were mostly white.

Major works Louis Israel Dublin, Alfred J. Lotka: The Money Value of a Man (Public Health in America Series). New York : Arno Press, 1977 (Repr. of the 1930 ed. by the Ronald Press Co., New York). ISBN 978-0-405-09814-7 with Lee K. Frankel and Miles M. Dawson, Workingmen's Insurance in Europe, 1910 with Lee K. Frankel, Principles of Life Insurance, 1911 Mortality Statistics of Insured Wage Earners and Their Families, 1919 Louis I. Dublin, To Be or Not to Be: a Study of Suicide, 1933. Harrison Smith and Robert Hass, New York. Louis I. Dublin, A Family of Thirty Million: The Story of the Metropolitan Life Insurance Company, 1943. Louis I. Dublin, The Facts of Life: From Birth to Death, New York: The Macmillan Company, 1951. A 40 Year Campaign Against Tuberculosis, 1952 Louis I. Dublin, Suicide: a Sociological and Statistical Study, 1963. Ronald Press Company, New York.

Other works Louis I. Dublin, After Eighty Years (autobiography) University of Florida Press, Gainesville 1966, p. 243 Louis I. Dublin, "Home-Making and Careers," Atlantic Monthly, 138: 335–43, September 1926. Louis I. Dublin and Jessamine S. Whitney (April 1921). "The Costs of Tuberculosis" American Review of Tuberculosis 5:178-184. Collected papers at the Archives, National Library of Medicine, Bethesda, Maryland

References

Inline

General "Louis I. Dublin 1882-1969". Statistical Bulletin (Metropolitan Life Insurance Company). 50. UNITED STATES: 2. March 1969. ISSN 0026-1513. PMID 4897172. Lilienfeld, David E (June 2009). "Louis I. Dublin and the development of the observational study: the Metropolitan Life Insurance Company natural history (cohort) studies of typhoid fever and scarlet fever". Ann Epidemiol. 19 (6). United States: 410–5. doi:10.1016/j.annepidem.2009.01.014. PMID 19460671. Falk, I S (July 1969). "Louis I. Dublin. November 1, 1882-March 7, 1969". American Journal of Public Health and the Nation's Health. 59 (7). UNITED STATES: 1083–5. doi:10.2105/ajph.59.7.1083. ISSN 0002-9572. PMC 1226577. PMID 4893562. Marquis, Albert Nelson, ed. Who's Who in America, a Biographical Dictionary of Notable Living Men and Women of the United States, 1926–1927, vol. 14, Chicago: The A.N. Marquis Company, 1926, 624.

External links American Statistical Association's biography Finding Aid to the Louis I. Dublin Papers Library of Congress listing of Louis I. Dublin publications

Illustrations

Louis Israel Dublin illustration

Worked examples

Example 1 — a first encounter with Louis Israel Dublin

Start with the simplest possible case. Write down what Louis Israel Dublin claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Louis Israel Dublin before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Louis Israel Dublin ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Louis Israel Dublin

In research
Louis Israel Dublin appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Louis Israel Dublin in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Louis Israel Dublin is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1882 births, 1969 deaths, 20th-century American Jews, so understanding it makes those chapters shorter.
In everyday life
Look for Louis Israel Dublin outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Louis Israel Dublin” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Louis Israel Dublin in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Louis Israel Dublin means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Louis Israel Dublin out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Louis Israel Dublin in simple terms?

Louis Israel Dublin (November 1, 1882 – March 7, 1969) was a Jewish American statistician. As vice president and statistician of the Metropolitan Life Insurance Company, he promoted progressive and socially useful insurance underwriting policies.

Why does Louis Israel Dublin matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Louis Israel Dublin?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Louis Israel Dublin.

Tags

  • 1882 births
  • 1969 deaths
  • 20th-century American Jews
  • 20th-century American statisticians
  • Columbia University alumni
  • Emigrants from the Russian Empire to the United States
  • Fellows of the American Statistical Association
  • Jewish scientists
  • People from Kaunas
  • Presidents of the American Statistical Association

Keep exploring