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Siddhartha Mukherjee2010Pulitzer Prize, 2011

The Emperor of All Maladies

A Biography of Cancer

The history of cancer told as a life story: thousands of years of watching, guessing, cutting and testing, and the slow gains that came from asking better questions.

  • 1948Farber reports the first drug remissions in childhood leukaemia
  • 1964The US Surgeon General's report on smoking
  • 1971The National Cancer Act starts the War on Cancer
  • 2001Gleevec approved, a drug aimed at one broken gene
Walk the timeline
A circle of tissue under a microscope, stained purple and pink. One cell in the middle is dividing in two.
HourLife's drawing of cells under the most common stain in pathology. Cancer starts here: one of our own cells, dividing when it should stop.

The core idea

A biography of a disease that is made of us.

Siddhartha Mukherjee is a cancer physician and researcher at Columbia University. The Emperor of All Maladies tells the history of cancer as a biography, from the first written description of a tumour in ancient Egypt to the targeted drugs of the early 2000s. Its central argument is that cancer is not one disease but many, and that it grows out of the body's own cells, which is why every gain against it has been partial and hard won. The book moves through surgery, radiation, chemotherapy, prevention, screening and molecular biology, showing what each era got right and where it overreached. It is built on the stories of doctors, scientists, campaigners and patients, and on Mukherjee's own year as an oncology fellow, including his care of Carla, a young teacher with leukaemia.

The history is there to explain the present. Each treatment a patient meets today, from surgery and radiation to chemotherapy, screening and targeted drugs, carries the marks of the era that invented it: what that era believed about cancer, and what it had to unlearn.

The book's steady argument is that cancer is not a foreign enemy. It is our own cells, changed so they keep dividing, adapting and spreading. That is why a single cure never arrived, and why each real gain came from understanding one kind of cancer a little better.

  1. 01

    Made of us

    Cancer cells use the body's own machinery for growth. That makes them hard to kill without harming healthy cells, and quick to adapt.

  2. 02

    Many diseases, one name

    Leukaemia, breast cancer and lung cancer behave very differently. Progress has come one kind of cancer at a time.

  3. 03

    Progress by correction

    Each era overreached in some way, and the next one corrected it. The lasting gains came from careful trials, not confident theories.

Interactive · the long timeline

Eleven turns, and what each one got wrong.

Step through the eras the book covers. Each one shows the idea that changed treatment, what it got right, where it went wrong, and the lesson it left. Filter by the way we fight, and switch the scale to see how late most of the progress came.

Show the way we fight
Scale

c. 2600 BCEarly ideas

A mass with no treatment

An Egyptian surgical text, now called the Edwin Smith papyrus and traditionally linked to the physician Imhotep, describes bulging masses in the breast among its cases of injury and illness.

People: Imhotep (by tradition); the papyrus is named after Edwin Smith, the American collector who bought it in the 19th century

What it got right

Plain, careful description. The case is recorded as it is, without magic or blame.

What it got wrong

It offers no cure. Its honest answer is that there is no treatment, and that stayed true for thousands of years.

The lesson it left

Naming a problem honestly is the first step, even when nothing can be done yet.

400 BC – AD 200Early ideas

The crab and black bile

Hippocratic doctors called swollen tumours karkinos, the Greek word for crab. Centuries later Galen explained cancer as a build-up of black bile, one of the body's four humours.

People: Hippocrates, Galen, Andreas Vesalius

What it got right

It gave cancer a name and tried to explain it, instead of leaving it to fate.

What it got wrong

Black bile does not exist. The theory lasted well over a thousand years, until anatomists such as Vesalius looked inside bodies and could not find it.

The lesson it left

An elegant theory can outlive its evidence by centuries. Go and look for the thing itself.

1846 – 1890sSurgery

Cut wider

Anaesthesia, from 1846, and antiseptic technique made long operations survivable. At Johns Hopkins, William Halsted developed the radical mastectomy, removing the breast, the chest muscles beneath it and the lymph nodes, on the theory that cancer spreads outward from one centre.

People: Joseph Lister, William Halsted, Bernard Fisher

What it got right

Surgery can cure cancers caught while they are still in one place, and it is still a main treatment.

What it got wrong

Removing more did not save more lives, and it left women badly disabled. A trial led by Bernard Fisher, begun in the 1970s, showed simpler surgery did as well for many.

The lesson it left

More of a treatment is not the same as better. Ask what the trial showed.

1895 – 1900sRadiation

Light we cannot see

Wilhelm Röntgen discovered X-rays in 1895, and Marie and Pierre Curie isolated radium soon after. Within a few years doctors were using radiation to shrink tumours.

People: Wilhelm Röntgen, Marie Curie, Pierre Curie

What it got right

Radiation reaches a tumour without a cut, and it remains one of the main treatments.

What it got wrong

Early users did not grasp that radiation can also cause cancer. Many who worked with it, Marie Curie among them, were harmed by years of exposure.

The lesson it left

A powerful tool cuts both ways. Learn its harms as carefully as its benefits.

1940s – 1960sPrevention and screening

Catch it early

George Papanicolaou showed that cells taken from the cervix could reveal cancer, and changes before cancer, early. The Pap smear spread through the 1950s, and trials of mammography for breast cancer began in the 1960s.

People: George Papanicolaou

What it got right

Where Pap screening became routine, deaths from cervical cancer fell sharply.

What it got wrong

Screening has costs too. It can find changes that would never have caused harm and lead to tests and treatment people did not need, so only trials can show whether a screen saves lives.

The lesson it left

Earlier is not automatically better. Ask whether a screen has been shown to save lives.

1947 – 1948Chemotherapy

A drug that pushed it back

In Boston, the pathologist Sidney Farber gave children with acute leukaemia aminopterin, a drug that blocks folic acid, which dividing cells need. In 1948 he reported remissions.

People: Sidney Farber, Yellapragada Subbarow

What it got right

It was the first clear sign that a chemical could make a cancer retreat, and it opened the age of chemotherapy.

What it got wrong

The remissions lasted months, not years. The leukaemia came back, and it no longer answered to the drug.

The lesson it left

A first result can be real and still a long way from enough.

1950 – 1964Prevention and screening

Find the cause

The idea was old: in 1775 Percivall Pott tied a cancer in chimney sweeps to soot. In 1950, studies by Richard Doll and Austin Bradford Hill in Britain and by Ernst Wynder and Evarts Graham in the US linked smoking to lung cancer. The US Surgeon General's report of 1964 made the link official.

People: Percivall Pott, Richard Doll, Austin Bradford Hill, Ernst Wynder, Evarts Graham

What it got right

Prevention works on a scale no drug can match. As smoking fell, lung cancer deaths fell after it.

What it got wrong

Acting took decades. The tobacco industry paid to cast doubt, and smoking was woven into everyday life.

The lesson it left

Evidence alone rarely changes a habit. The healthy choice has to become the easy one.

1960sChemotherapy

Attack from several sides

At the National Cancer Institute, Emil Frei and Emil Freireich gave children with leukaemia several drugs at once, a regimen called VAMP. Vincent DeVita's team applied the same logic to Hodgkin's lymphoma, and Donald Pinkel's work at St. Jude added more.

People: Emil Frei, Emil Freireich, Vincent DeVita, Donald Pinkel

What it got right

Drugs in combination caught cells that resisted any single one. Childhood leukaemia and Hodgkin's lymphoma became cancers that many patients survived.

What it got wrong

Treatment was punishing, and the logic was later pushed too far: high-dose chemotherapy with bone marrow transplants for breast cancer spread in the 1990s before trials found it did not help.

The lesson it left

When something adapts, plan for it. Then test where the idea stops working.

1940s – 1971Campaigning

Fund it like a moonshot

Mary Lasker, a New York philanthropist, worked with Sidney Farber to build a campaign for federal cancer funding. It led to the National Cancer Act, signed by President Nixon in 1971, and what became known as the War on Cancer.

People: Mary Lasker, Sidney Farber

What it got right

Money, public attention and institutions grew, and a national network of cancer centres and trials took shape.

What it got wrong

It promised victory on a timetable, before anyone understood what cancer was at the level of the cell.

The lesson it left

Funding speeds work that is ready. It cannot skip the understanding that is missing.

1976 – 1980sTargeted drugs

Our own genes, gone wrong

Harold Varmus and J. Michael Bishop showed that src, a cancer gene carried by a chicken virus first studied by Peyton Rous, came from a normal gene in healthy cells. Robert Weinberg and others then found mutated ras in human tumours, and genes that act as brakes, such as Rb.

People: Peyton Rous, Harold Varmus, J. Michael Bishop, Robert Weinberg

What it got right

It explained cancer from the inside: an accelerator jammed on, a brake taken away, one mutation after another.

What it got wrong

Knowing the cause did not quickly give a cure. Most tumours carry many mutations, and turning that map into drugs took decades.

The lesson it left

Understanding comes before control, and it can take a long time to pay off.

1998 – 2001Targeted drugs

Aim at the broken switch

Herceptin, approved in 1998, targets HER2, a protein made in excess by some breast cancers. Gleevec, approved in 2001, blocks the protein made by the fused gene that drives chronic myeloid leukaemia.

People: Dennis Slamon, Brian Druker, Nicholas Lydon

What it got right

A drug aimed at the cancer's own fault can work with less harm to healthy cells. For many people, chronic myeloid leukaemia became a disease to live with.

What it got wrong

Cancers can mutate around a targeted drug, and most cancers have no single switch to aim at.

The lesson it left

Precision helps most where the cause is simple. Most causes are not.

1 of 11

History and reading notes, not medical advice. This timeline is HourLife's summary of the book in our own words, and it is not a substitute for professional care. Treatment has moved on since 2010; for questions about your own health, talk to a doctor.

Concept anatomy

How a cell goes wrong, and five ways to answer.

The book's late chapters arrive at a simple picture. Growth in a healthy cell is controlled like a car: some genes press the accelerator, others hold the brake. Cancer comes from a run of mutations, built up over years, that jam one on and wear the other out.

Four stages, left to right: a normal cell; a cell with its accelerator stuck on; a cell that has also lost its brake; and a growing cluster after further mutations. +1 +1 + more
  1. Stage 1A normal cellIt divides when the body needs it and stops when signalled to.
  2. Stage 2 · oncogeneAccelerator stuckA mutation in a growth gene, such as ras, keeps sending the signal to divide.
  3. Stage 3 · tumour suppressorBrake lostA second mutation disables a gene that should halt division, such as Rb.
  4. Stage 4More mutationsOver years, further changes let the cells grow, invade and resist treatment.

Five ways we fight, in the order they arrived

Each answer in the book attacks a different point. Each also has a limit, which is why treatment today often combines them.

  1. 1890s

    Surgery

    Removes the tumour.

    Cures only what has not yet spread.

  2. c. 1900

    Radiation

    Damages the DNA of cells in a targeted area.

    Also harms healthy tissue in its path.

  3. 1948

    Chemotherapy

    Kills cells that divide quickly.

    Hits other fast-dividing cells; cancers learn to resist.

  4. 1940s–60s

    Prevention and screening

    Removes a cause, or finds the disease early.

    Depends on habits changing, and on trials that show lives saved.

  5. 1998–2001

    Targeted drugs

    Blocks a protein made by the cancer's own broken gene.

    Works where one switch drives the cancer; resistance still comes.

Community insights

What readers carry out of it.

  1. HourLife takeaway

    Cancer is not an invader from outside but our own cells, changed so they keep dividing.

    This is the idea the whole book turns on. Cancer cells use the same machinery as healthy ones, which is why it has been so hard to kill them without harming the body around them. It also explains why the disease can adapt to treatment.

  2. HourLife takeaway

    Cancer is many diseases that share one name, so a single cure was never likely.

    Early campaigners hoped for one breakthrough that would end cancer, the way a vaccine ends an infection. The book shows leukaemia, breast cancer, lung cancer and others behaving very differently, each yielding to different tools and at a different pace.

  3. HourLife takeaway

    Cutting more did not save more lives, and it took a trial to prove it.

    William Halsted's radical mastectomy removed more and more tissue on the belief that cancer spread outward from one centre. For decades surgeons trusted the logic rather than testing it. A controlled trial led by Bernard Fisher later showed that less extensive surgery did as well for many women.

  4. HourLife takeaway

    The first chemical remissions came in children with leukaemia, and they did not last.

    In 1948 Sidney Farber in Boston reported that aminopterin, a drug that blocks folic acid, could push acute leukaemia in children into remission. The cancer came back within months. Brief as they were, those remissions showed that a drug could make cancer retreat.

  5. HourLife takeaway

    Drugs given together worked where single drugs failed, because cancer adapts.

    At the National Cancer Institute in the 1960s, Emil Frei and Emil Freireich combined several drugs against childhood leukaemia so that cells resistant to one would be caught by another. Combination treatment helped make childhood leukaemia and Hodgkin's lymphoma among the first cancers that many patients survived.

  6. HourLife takeaway

    Preventing a cause can save more lives than any cure, and tobacco is the proof.

    In 1950, studies by Richard Doll and Austin Bradford Hill in Britain and by Ernst Wynder and Evarts Graham in the United States linked smoking to lung cancer. The book follows the long fight that came after, as the tobacco industry spent decades casting doubt on the evidence.

  7. HourLife takeaway

    A confident theory is not a result until it has been tested against the alternative.

    The book returns to this lesson again and again: the radical mastectomy, the early hopes for a single cure, and the high-dose chemotherapy with bone marrow transplants given for breast cancer in the 1990s, which trials later found did not help. Randomised trials are how medicine tells hope from benefit.

  8. HourLife takeaway

    Public pressure and money changed how fast cancer research moved.

    Mary Lasker, a New York philanthropist, built a campaign that pushed cancer research up the national agenda and helped bring about the National Cancer Act of 1971. Mukherjee shows both sides: the energy and funding it brought, and the promise of a quick victory that the science of the time could not keep.

  9. HourLife takeaway

    Once you know which gene is broken, you can build a drug aimed at it.

    Chronic myeloid leukaemia is driven by a fused gene created when two chromosomes swap pieces. Imatinib, sold as Gleevec, blocks the protein that gene makes, and Brian Druker's trials around 2000 showed striking responses. Mukherjee also notes that cancers can find ways around even a targeted drug.

Action steps

Small, practical things to do with what you read.

Do once

5 steps

Write down your family health history

List the relatives who have had cancer, what kind and roughly at what age. Bring the page to your next appointment and ask whether it changes anything for you.

Ask which screenings apply to you

At your next check-up, ask your doctor which cancer screenings are recommended for your age, sex and history. Put the next due date for each in your calendar.

Bookmark one reliable source

Save the site of your country's national cancer institute or a major cancer charity. When a question comes up, start there instead of with search results.

Find your local quit service

If you or someone at home smokes, look up your national or local stop-smoking service and save its number. Booking one call is enough to start.

Trace one cancer's history

Pick one cancer that has touched your family or friends. Read a reputable overview of how its treatment has changed over the last fifty years, and note what made the biggest difference.

Keep doing

4 habits

Ask where a health headline came from

When you read about a cancer breakthrough, check whether it came from a trial in people or from cells and animals. Treat the second kind as an early step, not a result.

Offer one specific kind of help

When someone you know is in treatment, offer something concrete, such as a meal on Thursday or a lift to an appointment, instead of asking them to tell you what they need.

Read one era a week

Read one part of the book each week. Afterwards, explain to someone in two minutes what that era believed and what it got wrong.

Review your health list once a year

Pick a fixed date, such as your birthday. Update your family history and check which screenings are due, then book them.

Cancer is made of us, so every gain against it is partial, hard won and real.
HourLife note after Siddhartha Mukherjee
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If cancer has touched you or someone close to you, you do not have to carry it alone. Your care team, and national cancer charities and their helplines, can offer information and support.

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The Emperor of All Maladies: A Biography of Cancer by Siddhartha Mukherjee. This page is the short version; the book has the rest.

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Frequently asked

What is The Emperor of All Maladies: A Biography of Cancer about?

Siddhartha Mukherjee is a cancer physician and researcher at Columbia University. The Emperor of All Maladies tells the history of cancer as a biography, from the first written description of a tumour in ancient Egypt to the targeted drugs of the early 2000s. Its central argument is that cancer is not one disease but many, and that it grows out of the body's own cells, which is why every gain against it has been...

What are the key takeaways from The Emperor of All Maladies: A Biography of Cancer?

HourLife’s key takeaways include: Cancer is not an invader from outside but our own cells, changed so they keep dividing. Cancer is many diseases that share one name, so a single cure was never likely. Cutting more did not save more lives, and it took a trial to prove it.

Who should read The Emperor of All Maladies: A Biography of Cancer?

It's a strong pick for readers exploring History Worth Knowing and How Your Body Works. HourLife distills its core idea into key insights and practical actions worth trying.

What's one thing I can do after reading The Emperor of All Maladies: A Biography of Cancer?

Write down your family health history — List the relatives who have had cancer, what kind and roughly at what age. Bring the page to your next appointment and ask whether it changes anything for you.

How long does it take to read the The Emperor of All Maladies: A Biography of Cancer summary?

About five minutes. The HourLife summary distills The Emperor of All Maladies: A Biography of Cancer into its core idea, 9 community insights, and 9 practical actions you can apply right away.

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