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Sada Abe

Sada Abe 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 Sada Abe rather than just read about it. In short: Sada Abe (阿部 定, Abe Sada; May 28, 1905 – after 1970) was a Japanese geisha and prostitute who murdered her lover, Kichizō Ishida (石田 吉蔵), via strangulation on May 18, 1936, before cutting off his penis and testicles and carrying them around with her in her kimono. The story became a national sensation in Japan, acquiring mythic overtones; it has also been interpreted by artists, philosophers, novelists and filmmaker…

Sada Abe — main illustration
Sada Abe — illustration

Key takeaways

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

Reference excerpt

Sada Abe (阿部 定, Abe Sada; May 28, 1905 – after 1970) was a Japanese geisha and prostitute who murdered her lover, Kichizō Ishida (石田 吉蔵), via strangulation on May 18, 1936, before cutting off his penis and testicles and carrying them around with her in her kimono. The story became a national sensation in Japan, acquiring mythic overtones; it has also been interpreted by artists, philosophers, novelists and filmmakers. Abe was released after serving five years in prison and went on to write an autobiography.

Family background Sada Abe was the seventh of eight children of Shigeyoshi and Katsu Abe, an upper middle-class family of tatami mat makers in Tokyo's Kanda area. Only four of the Abe children survived to adulthood, of whom Sada was the youngest. Her father, originally from Chiba Prefecture, had been adopted into the Abe family to help with the business, which he eventually inherited. Aged 52 at the time of Sada's birth, he was described by police as "an honest and upright man" who had neither conspicuous vices nor any brushes with the law; some acquaintances reported him to be somewhat self-centered, with a taste for extravagance. Likewise, Sada's mother had no known legal or moral blemishes on her record. Sada's brother Shintarō was known as a womanizer and, after his marriage, ran away with his parents' money. Her sister Teruko was also known to have had several lovers. Sada's father sent Teruko to work in a brothel, then not an uncommon way to punish female sexual promiscuity in Japan, although he soon bought her back. Teruko's past was not considered a hindrance to marriage for those of the Abes' class at the time, and she soon married.

Early life Abe was born on May 28, 1905. She was doted on by her mother, being the family's youngest surviving child, and was allowed to do as she wished. Abe was encouraged to take lessons in singing and in playing the shamisen, both activities which, at the time, were more closely associated with geisha – an occasionally low-class profession – and prostitutes than with classical artistic endeavor. Geisha were considered glamorous celebrities at the time, and Abe herself pursued this image by skipping school for her music lessons and wearing stylish make-up. As family problems over her siblings Shintarō and Teruko became more pressing, Abe was often sent out of the house alone. She soon fell in with a group of similarly independent teenagers. At the age of 14, during one of her outings with this group, Abe was raped by one of her acquaintances, a Keio University student. Abe's parents initially appeared to support her but soon changed their response and, claiming that Abe had become irresponsible and uncontrollable, sold her to a geisha house in Yokohama in 1922. Abe's oldest sister, Toku, testified that she wished to become a geisha. Abe herself, however, claimed that her father made her a geisha as punishment for her promiscuity. Abe's encounter with the geisha world proved to be a frustrating and disappointing one. To become a true star among geisha required apprenticeship from childhood, with years spent training and studying arts and music. Abe never progressed beyond a low rank, and one of her main duties was to provide sex for clients. She worked for five years in this capacity and eventually contracted syphilis. Since this meant she would be required to undergo regular physical examinations, just as a legally licensed prostitute would, Abe decided to enter a better-paying profession.

Early 1930s

… excerpt ends here. Continue reading the full article.

Illustrations

Sada Abe illustration
Sada Abe: The brothel where Abe was arrested
The brothel where Abe was arrested
Sada Abe: Newspaper photo taken shortly after Abe's arrest, at Takanawa Police Station [ja], Tokyo on May 20, 1936
Newspaper photo taken shortly after Abe's arrest, at Takanawa Police Station [ja], Tokyo on May 20, 1936
Sada Abe: Site of the "Abe Sada Incident"
Site of the "Abe Sada Incident"

Worked examples

Example 1 — a first encounter with Sada Abe

Start with the simplest possible case. Write down what Sada Abe 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 Sada Abe 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 Sada Abe 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 Sada Abe

In research
Sada Abe 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 Sada Abe 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
Sada Abe is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1905 births, 1970s missing person cases, 20th-century Japanese women writers, so understanding it makes those chapters shorter.
In everyday life
Look for Sada Abe 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 Sada Abe in 20 minutes

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

Frequently asked questions

What is Sada Abe in simple terms?

Sada Abe (阿部 定, Abe Sada; May 28, 1905 – after 1970) was a Japanese geisha and prostitute who murdered her lover, Kichizō Ishida (石田 吉蔵), via strangulation on May 18, 1936, before cutting off his penis and testicles and carrying them around with her in her kimono. The story became a national sensat…

Why does Sada Abe 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 Sada Abe?

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 Sada Abe.

Tags

  • 1905 births
  • 1970s missing person cases
  • 20th-century Japanese women writers
  • 20th-century Japanese writers
  • Female necrophiles
  • Geishas
  • Human trophy collecting
  • Involuntary genital mutilation
  • Japanese autobiographers
  • Japanese female murderers
  • Japanese female prostitutes
  • Japanese people convicted of murder

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