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Thomas C. Chalmers

Thomas C. Chalmers is a biology 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 Thomas C. Chalmers rather than just read about it. In short: Thomas Clark Chalmers ((1917-12-08)December 8, 1917, New York City – (1995-12-27)December 27, 1995, Lebanon, New Hampshire) was famous for his role in the development of the randomized controlled trial and meta-analysis in medical research. Chalmers began his higher education as an English major at Yale College.

Thomas C. Chalmers — main illustration
Thomas C. Chalmers — illustration

Key takeaways

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

Reference excerpt

Thomas Clark Chalmers ((1917-12-08)December 8, 1917, New York City – (1995-12-27)December 27, 1995, Lebanon, New Hampshire) was famous for his role in the development of the randomized controlled trial and meta-analysis in medical research. Chalmers began his higher education as an English major at Yale College. He obtained his medical degree from Columbia University College of Physicians and Surgeons in 1943. He spent one year as an intern at the NewYork-Presbyterian Hospital, and completed his residency at the Boston City Hospital. Chalmers' interest in medical research began while working for the United States Army in Japan, where he conducted clinical trials investigating the treatment of hepatitis among Korean War soldiers. After returning to the United States, he spent 13 years as chief of medical services at Lemuel Shattuck Hospital in Boston. He also held academic positions at Tufts University School of Medicine and Harvard Medical School. From 1968 to 1973 he held a number of appointments in Washington, DC: assistant director at the United States Department of Veterans Affairs, followed by concurrent positions as associate director of the National Institutes of Health (NIH) and Director of the NIH Clinical Center. From 1973 to 1983 he was president and dean of the Mount Sinai School of Medicine (MSSM). While at MSSM, he established the Department of Geriatrics (the first in the United States), and, following his commitment to the application of the scientific method and biostatistics to medical practice he established the Department of Biostatistics. After leaving Mount Sinai, he became chairman of the board of directors of the Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire. Chalmers was president of the American Association for the Study of Liver Disease (1959) and president of the American Gastroenterological Association (1969). In 1981, he was awarded the Jacobi Medallion by the Mount Sinai Alumni "for distinguished achievement in the field of medicine or extraordinary service to the Hospital, the School, or the Alumni." Chalmers is known for his role in the retraction of a 1976 study by Mount Sinai researcher Arthur Langer, which had identified asbestos in common talc based products. Upon receiving pressure from executives from Johnson and Johnson (the major manufacturer of talc baby powder), he issued a retraction of Langer's work, stating: “It is the opinion of Mount Sinai’s Department of Pediatrics that baby talc is a useful and safe product.” This action is considered by some to have significantly deterred or delayed further inquiries into the presence of asbestos in talc products. It would later be revealed that the products had indeed contained asbestos, and the product would be linked to the numerous deaths in the US and abroad. His papers were donated to the National Library of Medicine by the Thomas C. Chalmers Centre for Systematic Reviews. Since 1994 the Thomas C Chalmers MD award has been presented annually at the Cochrane Colloquium for the presentation which best addresses methodological issues related to systematic reviews and demonstrates originality of thought, high quality science, relevance for the advancement of the science of systematic reviews, and clarity of presentation.

References

External links "Photographs of Thomas C Chalmers, MD". James Lind Library. Archived from the original on 2006-10-07.

Illustrations

Thomas C. Chalmers illustration

Worked examples

Example 1 — a first encounter with Thomas C. Chalmers

Start with the simplest possible case. Write down what Thomas C. Chalmers claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, 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 Thomas C. Chalmers 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 Thomas C. Chalmers 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 Thomas C. Chalmers

In research
Thomas C. Chalmers appears in biology 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 Thomas C. Chalmers 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
Thomas C. Chalmers is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1917 births, 1995 deaths, American medical researchers, so understanding it makes those chapters shorter.
In everyday life
Look for Thomas C. Chalmers 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.
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How to study Thomas C. Chalmers in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Thomas C. Chalmers 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 Thomas C. Chalmers out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Thomas C. Chalmers in simple terms?

Thomas Clark Chalmers ((1917-12-08)December 8, 1917, New York City – (1995-12-27)December 27, 1995, Lebanon, New Hampshire) was famous for his role in the development of the randomized controlled trial and meta-analysis in medical research. Chalmers began his higher education as an English major at…

Why does Thomas C. Chalmers matter?

Because it connects several biology 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 Thomas C. Chalmers?

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 Thomas C. Chalmers.

Tags

  • 1917 births
  • 1995 deaths
  • American medical researchers
  • Columbia University Vagelos College of Physicians and Surgeons alumni
  • Harvard Medical School faculty
  • Medical doctors from Massachusetts
  • Members of the National Academy of Medicine
  • People in evidence-based medicine
  • Systematic review
  • Tufts University faculty
  • Yale College alumni

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