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astronomy

Margaret Harwood

Margaret Harwood is a astronomy 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 Margaret Harwood rather than just read about it. In short: Margaret Harwood (March 19, 1885 – February 6, 1979) was an American astronomer specializing in photometry and the first director of the Maria Mitchell Observatory in Nantucket, Massachusetts. An asteroid discovered in 1960 was named 7040 Harwood in her honor.

Margaret Harwood — main illustration
Margaret Harwood — illustration

Key takeaways

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

Reference excerpt

Margaret Harwood (March 19, 1885 – February 6, 1979) was an American astronomer specializing in photometry and the first director of the Maria Mitchell Observatory in Nantucket, Massachusetts. An asteroid discovered in 1960 was named 7040 Harwood in her honor.

Early life and education Margaret Harwood was born in 1885 in Littleton, Massachusetts, one of nine children of Herbert Joseph Harwood and Emelie Augusta Green. In 1907, she received her bachelor's degree in astronomy (AB) from Radcliffe College, where she was a member of Phi Beta Kappa. In 1916, she earned her master's degree in astronomy (AM) from the University of California, studying at the campus in Berkeley, California.

Career

In 1912, after graduating from Radcliffe College, Harwood worked at the Harvard Observatory and taught in private schools in the Boston area, including the Volkman School in Boston, the Buckingham School in Cambridge, and Faulkner School, in Dedham. Shortly after, an astronomical fellowship was created for women to work at Maria Mitchell Observatory. Harwood was the first recipient of the fellowship, receiving $1,000. While she was a member of this fellowship, she spent her time traveling between the Mitchell Observatory and the Harvard Observatory, where she would continue her work for both observatories. Although she was given an offer to return to the Mitchell Observatory in 1915, she decided to go to the Lick Observatory in Mt. Hamilton, California, where she could continue her work, and also work towards obtaining her master's degree in astronomy. In 1916, at 30 years old, Harwood was named director of Mitchell Observatory, and worked there until her retirement in 1957. For many years, she was the first and only woman to be hired as director of the observatory, which was independently funded. Her specialty, photometry, involved measuring variation in the light of stars and asteroids, and she applied it particularly to that of the small planet 433 Eros, which was discovered during her time with the Harvard Observatory. A member of the American Astronomical Society and Fellow of the Royal Astronomical Society, she traveled widely in Europe and the United States. In 1923, she became the first woman to gain access to the Mount Wilson Observatory, and in 1924 was the first woman allowed to use the observatory's 60-inch telescope, the largest in the world at the time. In 1917, Harwood discovered the asteroid 886 Washingtonia four days before its formal recognition by George Henry Peters. At the time, "senior people around her advised her not to report it as a new discovery because it was inappropriate that a woman should be thrust into the limelight with such a claim". However, Harwood did send her photographs of her discovery to Peters for him to include in his study of the asteroid's orbit. In 1960, an asteroid discovered at Palomar, was named in her honor, 7040 Harwood. Harwood was a devoted Unitarian. She was a trustee of Nantucket Cottage Hospital and taught at MIT during World War II. She is buried at the Westlawn Cemetery in Littleton.

Honors Harwood was the first woman to receive an honorary Ph.D. from Oxford University. After her retirement from the Maria Mitchell Observatory in 1957, she was awarded a Graduate Chapter Medal from her alma mater Radcliffe College to commemorate her achievements in astronomy. In 1960, 2642 P-L was discovered by Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld and named Harwood. In 1962, she received the Annie J. Cannon Award in Astronomy.

References

Further reading Jane Lancaster (2004). Making Time: Lillian Moller Gilbreth, A Life Beyond "Cheaper by the Dozen". UPNE. p. 187. ISBN 9781555536121. Retrieved September 10, 2012. Margaret Harwood. Sweeper in the Sky: The Life of Maria Mitchell, First Woman Astronomer in America. Nantucket Maria Mitchell Association. 1959. A Scientific Outpost: The First Half Century of the Nantucket Maria Mitchell Association. Nantucket Maria Mitchell Association. 1968. Bibcode:1968sofh.book.....D. OCLC 861088. Shearer, Benjamin F.; Shearer, Barbara S. (1997). Notable Women in the Physical Sciences: A Biographical Dictionary. Westport, CT: Greenwood Press. pp. 176–178. ISBN 978-0-313-29303-0.

External links Littleton astronomer Margaret Harwood remembered for achievements Papers of Margaret Harwood, 1891-1971. Schlesinger Library, Radcliffe Institute, Harvard University.

Illustrations

Margaret Harwood illustration
Margaret Harwood: The Harvard Computers in 1913; Harwood is at back left.
The Harvard Computers in 1913; Harwood is at back left.

Worked examples

Example 1 — a first encounter with Margaret Harwood

Start with the simplest possible case. Write down what Margaret Harwood claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Margaret Harwood 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 Margaret Harwood 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 Margaret Harwood

In research
Margaret Harwood appears in astronomy 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 Margaret Harwood 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
Margaret Harwood is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1885 births, 1979 deaths, 20th-century American scientists, so understanding it makes those chapters shorter.
In everyday life
Look for Margaret Harwood 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 Margaret Harwood in 20 minutes

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

Frequently asked questions

What is Margaret Harwood in simple terms?

Margaret Harwood (March 19, 1885 – February 6, 1979) was an American astronomer specializing in photometry and the first director of the Maria Mitchell Observatory in Nantucket, Massachusetts. An asteroid discovered in 1960 was named 7040 Harwood in her honor.

Why does Margaret Harwood matter?

Because it connects several astronomy 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 Margaret Harwood?

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 Margaret Harwood.

Tags

  • 1885 births
  • 1979 deaths
  • 20th-century American scientists
  • 20th-century American women scientists
  • American women astronomers
  • Harvard College Observatory people
  • People from Littleton, Massachusetts
  • Radcliffe College alumni
  • Recipients of the Annie J. Cannon Award in Astronomy
  • University of California, Berkeley alumni

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