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Thomas Henry Kearney

Thomas Henry Kearney is a science 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 Henry Kearney rather than just read about it. In short: Thomas Henry Kearney (27 June 1874 – 19 October 1956) was an American botanist and agronomist known for his work on cotton and date palm breeding, plant taxonomy, and the flora of Arizona. Kearney was born on 27 June 1874 in Cincinnati, Ohio.

Thomas Henry Kearney — main illustration
Thomas Henry Kearney — illustration

Key takeaways

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

Reference excerpt

Thomas Henry Kearney (27 June 1874 – 19 October 1956) was an American botanist and agronomist known for his work on cotton and date palm breeding, plant taxonomy, and the flora of Arizona. Kearney was born on 27 June 1874 in Cincinnati, Ohio. He enrolled in the University of Tennessee in 1889, and began working for the U.S. Department of Agriculture in 1894, where he would work for the next 50 years. Kearney published a revision of North American Calamagrostis in 1898, describing 23 new species or varieties. From 1898 to 1900 Kearney participated in the Harriman Alaska Expedition. In the early 1900s Kearney traveled throughout North Africa to study crops such as dates and cotton in arid and alkali soils, and began a decades-long period of cotton-breeding research in Arizona. Kearney served as president of the Botanical Society of Washington in 1917. From 1920 to 1944 he also studied the taxonomy and distributions of plants of Arizona. A major collaborator during this period was Robert Hibbs Peebles, Kearney's junior colleague at the department, with whom Kearney published many papers on cotton genetics and plant taxonomy. The contributions of Kearney and Peebles to the science of cotton growing have been recognized as "among the most outstanding of all time." The rare, endangered Arizona plant Amsonia kearneyana (commonly known as Kearney's bluestar), was named after Kearney in 1928. The genus Kearnemalvastrum (Malvaceae), containing two species in Latin America, was posthumously named in honor of Kearney. Kearney retired from the Department of Agriculture in 1944, after which he moved to San Francisco, California, and became a research associate at the California Academy of Sciences, where he continued his taxonomic studies and collaborations with Peebles. He and Peebles published the first edition of Arizona Flora in 1951, a comprehensive guide to plants of the state that remains a standard reference a half-century later. Kearney was named an honorary curator, and was the subject of biographies and tribute articles by his colleagues. Kearney received the Certificate of Merit by the Botanical Society of America in August, 1956. Kearney died in San Francisco on October 19, 1956, at the age of 82. In 1967, botanist David Martin Bates, published a genus of flowering plants (belonging to the family Malvaceae), from Central America as Kearnemalvastrum, in Kearney's honour.

Selected works Kearney, Thomas H. (1898). A revision of the North American species of Calamagrostis. In: Studies on American Grasses. Bulletin 11, U.S. Dept. of Agriculture. Kearney, Thomas H. (1935). The North American species of Sphaeralcea subgenus Eusphaeralcea. Berkeley, Calif: University of California Press. Kearney, Thomas H., and Robert H. Peebles. (1942). Flowering plants and ferns of Arizona. Washington, D.C.: U.S. Dept. of Agriculture. Kearney, T. H, and R. H. Peebles. 1960. Arizona Flora: with supplement by John Thomas Howell, Elizabeth McLintock and collaborators. Berkeley: Univ. of California Press.

References

Further reading Wentz, W. Alan. (1974). "The herbarium and type specimens of Thomas Henry Kearney, Jr. from 1890-1901" (PDF). Taxon. 23 (2/3): 357–363. doi:10.2307/1218719. hdl:2027.42/149754. JSTOR 1218719.

External links

Works by or about Thomas Henry Kearney at the Internet Archive

Worked examples

Example 1 — a first encounter with Thomas Henry Kearney

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

In research
Thomas Henry Kearney appears in science 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 Henry Kearney 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 Henry Kearney is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1874 births, 1956 deaths, American agronomists, so understanding it makes those chapters shorter.
In everyday life
Look for Thomas Henry Kearney 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 Henry Kearney in 20 minutes

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

Frequently asked questions

What is Thomas Henry Kearney in simple terms?

Thomas Henry Kearney (27 June 1874 – 19 October 1956) was an American botanist and agronomist known for his work on cotton and date palm breeding, plant taxonomy, and the flora of Arizona. Kearney was born on 27 June 1874 in Cincinnati, Ohio.

Why does Thomas Henry Kearney matter?

Because it connects several science 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 Henry Kearney?

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 Henry Kearney.

Tags

  • 1874 births
  • 1956 deaths
  • American agronomists
  • American botanists
  • People associated with the California Academy of Sciences
  • Scientists from Cincinnati
  • United States Department of Agriculture people

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