In September 1893 Beatrix Potter mailed a sick five-year-old a letter about four rabbits because she had no real news for him; the royalties later bought thousands of acres of the Lake District, willed to the National Trust on condition that sheep keep grazing it.

Beatrix Potter had already sent a dozen picture letters to friends' children by the time she was in her late twenties, filling their margins with mice in aprons and hedgehogs doing laundry. What she had not done, by September of 1893, was give any of those animals a story worth remembering.

That changed on a wet afternoon at Eastwood, a house near Dunkeld in Scotland, where Potter was on holiday with her parents. Annie Moore, her former governess, had written to say that her five-year-old son Noel was sick in bed. Potter had no news to send him, so she invented some: "I don't know what to write to you, so I shall tell you a story about four little rabbits whose names were Flopsy, Mopsy, Cottontail, and Peter." Seventeen small drawings ran down the margins as she wrote. She was twenty-seven and had no reason to think the letter would outlast the week.

How did a letter become a book?

Slowly, and only after she rescued it herself.

In 1900 Potter borrowed the Noel Moore letter back, redrew and expanded the story, and sent it to publishers. At least six turned it down, Frederick Warne & Co. among them at first, put off by a manuscript with no color plates in a market that wanted moral lessons, not plain narration. Potter did not wait for a second opinion: in December 1901 she paid Strangeways of London to print 250 copies of The Tale of Peter Rabbit in black and white, ordering 500 spare frontispieces in case she needed more. A second run of 200 followed in February 1902. Warne reconsidered, agreed to a colored trade edition, and published it that October; it sold out its first printing within months. By her death Potter had written and illustrated twenty-two more books in the same small format — sized, she said, to fit a child's hand.

Was she only a children's author?

No. She had wanted to be a scientist first, and nearly was one.

Through her twenties Potter filled sketchbooks with fungi, drawing spore prints and cross-sections with a precision closer to a working mycologist than a hobbyist illustrator. Working from a microscope in her bedroom, she cultivated fungal spores and lichen samples and became convinced that lichens were not single organisms but a partnership: a fungus and an alga living as one. That view had backers on the continent (the Swiss botanist Simon Schwendener among them) but few in Britain, where lichens were still classified as ordinary plants. In 1897 Potter wrote up related findings on spore germination in the Agaricineae, the mushroom family, and submitted the paper under the name Helen B. Potter to the Linnean Society of London.

Was the paper rejected because she was a woman?

That is the popular version, and the Linnean Society's own account complicates it.

Women could not attend meetings or read their own papers in 1897, so the mycologist George Massee presented Potter's work for her on April 1. Records show the Society asked for further work before publication, not that it turned the paper down outright; Potter withdrew it herself on April 8 and never resubmitted it. The manuscript then disappeared from the Society's archives entirely, so no one can now check what those revisions would have required. In 1997 the Society's executive secretary, John Marsden, said publicly that Potter had been "treated scurvily" by its members: an apology for the exclusion that was real, even if the flat rejection often repeated about the episode is not quite what the record shows.

What was in her diaries?

A code nobody could read.

From her mid-teens until her late twenties, Potter kept a private journal in a cipher of her own invention: cramped, minuscule, and by her own account illegible even to her once she had stopped using it. She recorded family gossip and her private judgment of the men courting her; the pages sat unread among her papers at Hill Top for the rest of her life. She died in 1943, and the diary stayed locked until a collector named Leslie Linder spent years testing the code against known dates and finally broke it on Easter Monday, 1958 (the first word he recovered was "execution"). Linder published a transcription, The Journal of Beatrix Potter, in 1966; a handful of loose scraps in the archive remain untranslated.

Where did the royalties go?

Into land.

In 1905, using profits from her books and a small inheritance from an aunt, Potter bought Hill Top, a seventeenth-century farmhouse on thirty-four acres in Near Sawrey, in the Lake District. It became less a retreat than the start of a second career. Over the following decades she bought farm after farm (Troutbeck Park and Tilberthwaite among them), learning to judge livestock and manage tenants with the same discipline she had once given spore counts. She also began breeding Herdwick sheep, a hardy fell breed already losing ground to more profitable stock. By 1943 she owned roughly fourteen farms and more than four thousand acres, willed to the National Trust on the condition that Herdwicks keep grazing them. That year the Herdwick Sheep-Breeders' Association elected her its first female president; she died on December 22, before she could take up the post.

Does the land still work the way she intended?

Not without an argument about it.

The Lake District Potter helped preserve was named a UNESCO World Heritage Site in 2017, cited specifically for the drystone walls and grazed fells that centuries of sheep farming produced: the working countryside her will was built to keep working. That designation has not settled anything. Hill farmers, echoed by writers like James Rebanks, argue that pulling sheep off the fells would empty out the families who have worked them for generations; conservationists, George Monbiot loudest among them, want trees and predators allowed back onto ground they consider overgrazed and eroded. Wool prices have barely moved since the eighteenth century, and hill farming survives mostly on subsidy, so the sheep Potter fought to keep on that land may be the next thing somebody has to fight to keep there.

Sources

• The Linnean Society, "Beatrix Potter: The Tale of the Linnean Society"
• The Morgan Library & Museum, "The Original Peter Rabbit Letter" and "Beatrix Potter: The Picture Letters"
• The National Trust, "Beatrix Potter's coded-writing"
• The Beatrix Potter Society, "The Farmer" and "The Scientist"
• Smithsonian Magazine, "Britain's Lake District Was Immortalized by Beatrix Potter, But Is Its Future in Peril?"
• The Malay Mail / UNESCO, "UK's Lake District named World Heritage Site" (2017)