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Rosalie Edge

Rosalie Edge 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 Rosalie Edge rather than just read about it. In short: Rosalie Barrow Edge (November 3, 1877 – November 30, 1962) was an American environmentalist and suffragist. In 1929, she established the Emergency Conservation Committee to expose the conservation establishment's ineffectiveness and advocate for species preservation.

Rosalie Edge — main illustration
Rosalie Edge — illustration

Key takeaways

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

Reference excerpt

Rosalie Barrow Edge (November 3, 1877 – November 30, 1962) was an American environmentalist and suffragist. In 1929, she established the Emergency Conservation Committee to expose the conservation establishment's ineffectiveness and advocate for species preservation. In 1934, Edge also founded the world's first preserve for birds of prey—Hawk Mountain Sanctuary near Kempton, Pennsylvania. Edge was considered the most militant conservationist of her time, and she clashed publicly for decades with leaders of the Audubon Society over approaches to wildlife preservation. An environmentalist colleague described her in 1948 as "the only honest, unselfish, indomitable hellcat in the history of conservation".

Early life and family Born on November 3, 1877, in New York City, Mabel Rosalie Barrow was the daughter of John Wylie Barrow and Harriet Bowen Barrow. Her British father was a wealthy accountant and cousin to Charles Dickens, whom he resembled, and a near relative of the painter James Abbott McNeill Whistler. Her mother traced her ancestry to Dutch merchant Kiliaen van Rensselaer. The youngest of the five surviving children, Mabel was nicknamed "Noble Girl" or "Noblest Girl" by her father. He favored her over her older siblings and treated her as their leader. They went for rides together in Central Park, and he nurtured her early love of animals. When she was 17, while visiting family in England, Barrow met Charles Noel Edge, a British citizen, a graduate of the University of Cambridge and a civil engineer. Their relationship flourished, so when he was sent to Yokohama, Japan, for his work, she followed. They married on May 28, 1909. After traveling in Asia for about three years in connection with Charles's employment, primarily in China and Malaysia, the Edges returned to New York permanently and subsequently had two children: Peter, born in 1913, and Margaret, born in 1915. The marriage was initially very happy, but Charles was frequently absent for work, which, combined with her increasing interest in wildlife, created a rift between them. They separated on February 14, 1924. When Charles died in 1944, he left Rosalie the minimum allowed by New York state law. She challenged the will, winning a larger portion of the estate after about a year in court.

Early activism

On a 1913 trip from England to New York aboard the Mauretania, Edge met and befriended Sybil Thomas, Viscountess Rhondda. Lady Rhondda, a supporter of the United Kingdom's movement for women's voting rights, taught Edge about the cause, focusing in particular on the activities of her daughter Margaret Mackworth, who had recently been jailed for militant suffragette activities. Recounting the tale decades later, Edge described these discussions with Lady Rhondda as her "first awakening of my mind". Edge did not get involved for a few years, during which she settled her family in New York and gave birth to two children. In May 1915, shortly before the birth of her second child, Edge felt that she was about to die, and she responded by making donations to charities and causes. These included the suffragist Equal Franchise Society and the National Association of Audubon Societies. Biographer Dyana Z. Furmansky describes the latter donation as an "odd choice", as Edge had not previously shown any interest in bird conservation. Weeks after giving birth, Edge began participating in the United States' women's suffrage movement, despite Charles Edge's opposition to the cause. She joined the New York State Women's Suffrage Party, becoming corresponding secretary in 1915. Edge gave speeches, wrote pro-suffrage pamphlets and undertook other activities for the cause. When New York State gave women the right to vote, the Party changed its name to the New York State League of Women Voters. From 1919, Edge was the treasurer of the League. The lessons she learned through the campaign, both in her own abilities and the need to engage the public, she took on into her future work. In 1915, the family purchased Parsonage Point in Rye, New York, and it was while there that Edge began to take a strong interest in birdwatching. It was a way for her to bond with her husband and, critically, her son. She started to take an interest in the birds of New York City, joining ornithologists and amateur birdwatchers in Central Park, and befriended the biologists from the American Museum of Natural History who would frequent the park at lunchtime. It was the plight of the bald eagle which inspired her into activism. After reading of the slaughter of 70,000 bald eagles in the Alaska Territory, without any protest from the leading bird protection organizations of the day, she felt it her duty to act. Edge asserted that it was every person's civic duty to protect nature.

Emergency Conservation Committee Edge founded and ran the Emergency Conservation Committee (ECC) from 1929 until she died. Operating mainly from its office in Manhattan, the ECC emphasized the need to protect all species of birds and animals while they were common so that they did not become rare. This view has become more influential among scientists working in conservation.

… excerpt ends here. Continue reading the full article.

Illustrations

Rosalie Edge illustration
Rosalie Edge: Lady Rhondda, c. 1910–1915
Lady Rhondda, c. 1910–1915
Rosalie Edge: View from North Lookout, Hawk Mountain Sanctuary
View from North Lookout, Hawk Mountain Sanctuary

Worked examples

Example 1 — a first encounter with Rosalie Edge

Start with the simplest possible case. Write down what Rosalie Edge 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 Rosalie Edge 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 Rosalie Edge 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 Rosalie Edge

In research
Rosalie Edge 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 Rosalie Edge 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
Rosalie Edge is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1877 births, 1962 deaths, 20th-century American women, so understanding it makes those chapters shorter.
In everyday life
Look for Rosalie Edge 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 Rosalie Edge in 20 minutes

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

Frequently asked questions

What is Rosalie Edge in simple terms?

Rosalie Barrow Edge (November 3, 1877 – November 30, 1962) was an American environmentalist and suffragist. In 1929, she established the Emergency Conservation Committee to expose the conservation establishment's ineffectiveness and advocate for species preservation.

Why does Rosalie Edge 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 Rosalie Edge?

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 Rosalie Edge.

Tags

  • 1877 births
  • 1962 deaths
  • 20th-century American women
  • American conservationists
  • American environmentalists
  • American people of Dutch descent
  • American women environmentalists
  • American women human rights activists
  • Birdwatchers
  • Conservationists
  • People from Berks County, Pennsylvania
  • Suffragists from New York City

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