ArticleslgStudy

chemistry

William Cumming Rose

William Cumming Rose is a chemistry 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 William Cumming Rose rather than just read about it. In short: William Cumming Rose (April 4, 1887 – September 25, 1985) was an American biochemist and nutritionist. He discovered the amino acid threonine, and his research determined the necessity for essential amino acids in the diet and the minimum daily requirements of all amino acids for optimal growth.

Key takeaways

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

Reference excerpt

William Cumming Rose (April 4, 1887 – September 25, 1985) was an American biochemist and nutritionist. He discovered the amino acid threonine, and his research determined the necessity for essential amino acids in the diet and the minimum daily requirements of all amino acids for optimal growth.

Early life William Cumming Rose was born in Greenville, South Carolina. He attended various local schools, but his father John M. Rose, who was a Presbyterian minister, began to homeschool William in Latin, Greek, and Hebrew when he was 14 years old. He also studied an introductory chemistry textbook by Ira Remsen. When he was 16, he studied at Davidson College in North Carolina for his bachelor's degree. He took up graduate education at Yale University studying food chemistry with Russell Chittenden and Lafayette Mendel. He was granted a PhD in 1911.

Career Rose taught for a time at University of Pennsylvania with Alonzo E. Taylor. Taylor recommended him to University of Texas Galveston Medical School to organize a department of biochemistry. In 1922, he went to the University of Illinois as professor of physiological chemistry, a title which was changed to professor of biochemistry in 1936. From 1922 to 1955 he transformed his department into a center of excellence for the training of biochemists. At Illinois, Rose focused his research work on amino acid metabolism and nutrition. He found that the 19 amino acids then known were not sufficient for growth, and this led to his discovery in 1935 of the last of the common amino acids, α-amino-β-hydroxy-n-butyric acid, later named threonine. His studies also distinguished the amino acids that are absolutely essential from those that are necessary only for optimal growth. His studies further led him to the point where it was "practicable to evaluate proteins in terms of their ability to meet human needs." In June 1949 he published "Amino Acid Requirements of Man". Rose served as President of the American Society of Biological Chemists from 1939 to 1941. He was appointed to the Food and Nutrition Board of the National Research Council, which advised government agencies on dietary recommendations. Rose retired from the University of Illinois in 1955. He recalled the role of Yale through the work of Samuel William Johnson, Chittenden, and Mendel in 1977 with the article "Recollections of personalities involved in the early history of American biochemistry". Further, he recounted the biochemical advances he witnessed in "How did it happen".

Awards and honors 1936 – Became a member of the United States National Academy of Sciences 1939–1941 – President of the American Society of Biological Chemists 1945–1946 – President of the American Institute of Nutrition 1949 – Osborne and Mendel Award of the American Institute of Nutrition 1952 – Honorary Doctor of Sciences Degree from the University of Illinois 1952 – Willard Gibbs Medal of the American Chemical Society 1957 – Kenneth A. Spencer award of the American Chemical Society 1961 – Twentieth Anniversary Award of the Nutrition Foundation 1966 – Received National Medal of Science 1979 – William C. Rose Award initiated

References

External links H. E. Carter & Minor J. Coon: William Cumming Rose from National Academy of Sciences Daphne A. Roe (1981) William Cumming Rose: A biographical sketch Journal of Nutrition 111(8):1311–20. Noyes Laboratory at the University of Illinois, Urbana-Champaign from American Chemical Society National Historic Chemical Landmarks William C. Rose Papers, University of Illinois Archives https://loguepedia.com/william-rose-american-scientist/

Worked examples

Example 1 — a first encounter with William Cumming Rose

Start with the simplest possible case. Write down what William Cumming Rose claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, 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 William Cumming Rose 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 William Cumming Rose 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 William Cumming Rose

In research
William Cumming Rose appears in chemistry 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 William Cumming Rose 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
William Cumming Rose is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1887 births, 1985 deaths, 20th-century American biochemists, so understanding it makes those chapters shorter.
In everyday life
Look for William Cumming Rose 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 “William Cumming Rose” →

Affiliate

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

How to study William Cumming Rose in 20 minutes

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

Frequently asked questions

What is William Cumming Rose in simple terms?

William Cumming Rose (April 4, 1887 – September 25, 1985) was an American biochemist and nutritionist. He discovered the amino acid threonine, and his research determined the necessity for essential amino acids in the diet and the minimum daily requirements of all amino acids for optimal growth.

Why does William Cumming Rose matter?

Because it connects several chemistry 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 William Cumming Rose?

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 William Cumming Rose.

Tags

  • 1887 births
  • 1985 deaths
  • 20th-century American biochemists
  • American nutritionists
  • Members of the United States National Academy of Sciences
  • National Medal of Science laureates
  • Yale University alumni

Keep exploring