1978

Nobel Prize in Physics

Frictionless Helium, and the Sky's Faint Hiss

Pyotr Kapitsa · Arno Penzias · Robert Woodrow Wilson

The 1978 Physics prize gathered two discoveries so unlike each other that they might have come from different sciences, united only by the fact that both required extreme cold and extreme patience. Pyotr Kapitsa, working in Moscow in the late 1930s, found that liquid helium cooled below 2.17 Kelvin abruptly loses all viscosity — it climbs the walls of its container, flows through cracks too narrow to see, and leaks out of anything it is put in, defying every intuition about how liquids behave. The phenomenon required a new word, superfluidity, and a new theoretical framework, which Landau eventually supplied. Arno Penzias and Robert Wilson received the other half for something they did not set out to find: in 1964, working with a large horn antenna in New Jersey, they detected a persistent microwave hiss that would not go away regardless of which direction they pointed the antenna, a hiss they initially suspected was caused by pigeons nesting in the receiver. It was not pigeons. It was the faint thermal glow of the Big Bang itself — the cosmic microwave background, at a temperature of about 2.7 Kelvin, spread with eerie uniformity across the entire sky — and its existence confirmed the Big Bang model of cosmic origins more decisively than decades of theoretical argument had managed.

Nobel Prize in Chemistry

A Proton Turbine Inside Every Cell

Peter Mitchell

By 1961, the scientific community had a reasonable understanding of what ATP was — the currency of cellular energy — but a deeply muddled picture of how mitochondria actually made it. Peter Mitchell, a somewhat solitary British biochemist with an unconventional background, proposed something that struck most of his contemporaries as implausible: that the energy released by respiration was not coupled to ATP synthesis by some neat chemical intermediate, but by a proton gradient across the inner mitochondrial membrane. The idea was hydraulic, almost mechanical — protons pumped out by the electron transport chain flow back through a molecular turbine, and that flow is what drives ATP production. Biochemists accustomed to thinking in terms of high-energy chemical bonds found it hard to swallow, and the following decade was marked by persistent, occasionally acrimonious, debate. What settled it was evidence, accumulated steadily through the 1960s and 1970s by Mitchell and others, that could not be explained any other way. He received the 1978 Chemistry Nobel alone — no shared credit, seventeen years after the original proposal — a quiet vindication that the committee, in its understated way, delivered without comment. Every mitochondrion in your body is working exactly as he said it was.

Nobel Prize in Physiology or Medicine

Bacteria Had Been Editing DNA All Along

Werner Arber · Daniel Nathans · Hamilton O. Smith

Bacteria, as it turns out, have been doing molecular surgery for billions of years — they simply do it to protect themselves from viruses, not to advance science. Werner Arber worked out in the 1960s why certain bacteriophages could infect some bacterial strains but not others: the resistant bacteria possessed enzymes that recognised and cut the foreign DNA at specific sites, a kind of molecular immune checkpoint. Hamilton O. Smith then isolated the first such restriction enzyme that recognised a defined sequence and cut precisely within it, a finding that transformed Arber's theoretical framework into a practical tool. Daniel Nathans took those tools and did something that immediately revealed their power: he used a collection of restriction enzymes to cut the chromosome of the SV40 virus into reproducible fragments and arrange them into the first genetic map of a DNA molecule. The implications were immediately apparent — if you could cut DNA at known points, you could begin to read it, rearrange it, clone it. Recombinant DNA technology, genetic engineering, and ultimately the entire biotechnology industry flow from these three men's work on why bacteria find viruses annoying.

Nobel Prize in Literature

A Vanished World, Still Talking

Isaac Bashevis Singer

Isaac Bashevis Singer wrote in Yiddish, a language that had already been in cultural retreat before the twentieth century finished the job with industrial thoroughness, about a world of Polish-Jewish village life, urban Warsaw, emigration, and supernatural mischief that had largely ceased to exist. His characters squabble, love badly, consult demons, doubt God while half-believing in him, and remain human in all the ways that inconvenience literary sentimentality. The Stockholm committee noted his art of storytelling and his vivid evocation of a world that had vanished; Singer, in his brief Nobel address, offered something more pointed, observing that children still believe in God, in the family, and in ghosts, and arguing that serious literature would do well to take all three as seriously as children do. He accepted his prize in Yiddish and in English both, a choice that was, depending on how you looked at it, a courtesy to his hosts or a small, precise rebuke. The world he described is gone. The stories are not.

Nobel Peace Prize

Thirteen Days in a Maryland Woodland

Anwar al-Sadat · Menachem Begin

In September 1978, Jimmy Carter invited Anwar Sadat and Menachem Begin to the presidential retreat at Camp David and essentially declined to let them leave until they had agreed on something. Thirteen days of negotiation, conducted in the peculiar pressure-cooker atmosphere of a Maryland woodland, produced the Camp David Accords — the framework that led, in March 1979, to the Egypt-Israel Peace Treaty, the first such agreement between Israel and any of its Arab neighbours. It was an achievement that required each man to reach conclusions his own constituency largely rejected: Begin conceded the Sinai, which many in Israel regarded as sacred; Sadat recognised Israel's legitimacy, which most of the Arab world regarded as unforgivable. The Nobel committee rewarded them both in 1978, with the elegant impartiality of an institution that enjoys rewarding accomplished facts. The costs followed in their own time. Sadat was assassinated in Cairo in 1981 by members of Islamic Jihad who considered the treaty a betrayal; Begin's reputation, which the prize had briefly elevated, was largely consumed by Lebanon. The peace itself, improbable as it once seemed, has held.

Sveriges Riksbank Prize in Economic Sciences

Nobody Actually Optimises Anything

Herbert Simon

The canonical image of economic man — weighing all available options, computing expected utilities, selecting the optimum with the serene confidence of someone who has never actually tried to buy a flat — had been under quiet pressure since at least the 1950s, when Herbert Simon began pointing out that it described nobody he had ever met. Working across economics, psychology, and what would become cognitive science, Simon argued that human decision-making operates under genuine cognitive and informational constraints: people cannot find the global optimum because the information required does not exist in a useful form, time is short, and mental bandwidth is finite. Instead, he observed, they satisfice — they search until they find a solution that meets an acceptable threshold and then stop. The framework was enormously influential, though economists spent several decades deciding whether to take it as a critique of their models or simply file it under psychology and continue as before. Simon received the 1978 Economics Nobel for this work, the award citation noting his research into the decision-making process within economic organisations — a formulation polite enough to obscure the fact that he had spent thirty years explaining why the field's foundational assumptions were a fairy tale. The observation that real people do not behave like utility-maximising machines has since generated entire sub-disciplines. None of them have resolved the argument.

ACM A.M. Turing Award

Proving a Program Means What It Says

Turing Award

Robert W. Floyd

In the 1960s, writing a program that worked was considered achievement enough; the question of whether you could prove it worked, in a rigorous mathematical sense, was the kind of thing that struck most practicing programmers as either obvious or useless. Robert Floyd thought otherwise. His 1967 paper "Assigning Meanings to Programs" introduced a systematic method for attaching logical assertions — preconditions, postconditions, and loop invariants — to the steps of a program, such that if the assertions were satisfied the program could be shown to do exactly what it was intended to do. The framework was elaborated by Tony Hoare into what became Hoare logic, a cornerstone of the field of formal methods, but Floyd's contribution was the foundational move: the idea that a program is not just a sequence of instructions but an object about which precise claims can be made and verified. The Turing Award, presented in 1978, recognised this work and his separate contributions to algorithms and compiler design. Decades later, formal verification is used in aerospace software, cryptographic protocols, and microprocessor design, in places where the cost of a bug is a disaster rather than an inconvenience — all of it built on Floyd's insistence that you ought to be able to say what you mean and prove you meant it.

Fields Medal

Four Proofs, One Snubbed by Moscow

Fields Medal

Pierre Deligne · Charles Fefferman · Grigory Margulis · Daniel Quillen

The 1978 International Congress of Mathematicians, held in Helsinki, awarded four Fields Medals of unusual collective weight. Pierre Deligne, a Belgian mathematician working in the tradition of Alexandre Grothendieck, completed the proof of the Weil conjectures — a set of deep connections between number theory and algebraic geometry that André Weil had proposed in 1949 and that required an entirely new mathematical language to even state properly, let alone prove. Charles Fefferman received his medal for incisive work in harmonic analysis and several complex variables, having already become the youngest full professor in Princeton's history at twenty-two. Daniel Quillen was recognised for founding higher algebraic K-theory, a field that linked topology, algebra, and number theory in ways that continue to reverberate. Grigory Margulis proved superrigidity theorems for lattices in Lie groups, results of profound structural depth. Margulis, a Soviet mathematician, was not permitted by his government to travel to Helsinki to receive his medal, an act of bureaucratic obstruction so characteristic of the period that it barely registered as remarkable at the time, though the mathematics the Soviet authorities were inadvertently snubbing has since proved foundational in several directions.

Discovery of Charon, moon of Pluto

A Bump on Pluto's Photograph

Pluto had been discovered in 1930 and spent the next forty-eight years as a solitary and somewhat enigmatic speck at the edge of the solar system, too distant for its size to be measured precisely, its nature largely a matter of inference. On 22 June 1978, James Christy at the U.S. Naval Observatory in Flagstaff, Arizona, was examining photographic plates of Pluto taken for astrometric purposes when he noticed a persistent elongation — a bump on one side of Pluto's image that appeared in plate after plate and moved in a regular way around the object. He realised it could only be a satellite, which he named Charon. What made the discovery more than a simple addition to the catalogue was the moon's peculiar relationship with its host: Charon is roughly half the diameter of Pluto and orbits at a distance so close that tidal forces have long since locked both bodies into synchronous rotation, each keeping the same hemisphere permanently facing the other in a mutual gravitational stare. The two form less a planet-moon system than a double body, a fact that would eventually contribute — along with the crowded Kuiper Belt neighbourhood Pluto turned out to inhabit — to the 2006 reclassification that demoted it from planet to dwarf planet, a designation it accepted with characteristic silence.

Birth of Louise Brown, the first IVF baby

Conceived in a Glass Dish, Born at Midnight

The project that produced Louise Brown had been under way since the early 1960s, when physiologist Robert Edwards began working on the problem of fertilising a human egg outside the body, and gynaecologist Patrick Steptoe contributed his laparoscopic technique for retrieving eggs from a donor's ovaries — a partnership that accumulated roughly a decade of failures, miscarriages, and public controversy before it succeeded. Louise Joy Brown was born by caesarean section at Oldham General Hospital at twenty-three minutes past midnight on 25 July 1978, weighing five pounds twelve ounces, and immediately became the most photographed newborn in the world. The response ranged from jubilation to deep ethical alarm; the Vatican expressed serious reservations; a number of scientists questioned whether the technique was ready for human application; a handful of commentators predicted consequences ranging from eugenics to the obsolescence of men. Louise Brown turned out to be entirely healthy, which settled some of the argument. Edwards received the Nobel Prize in Physiology or Medicine in 2010 — Steptoe having died in 1988 and therefore not being eligible. By 2018, an estimated eight million people had been born through in vitro fertilisation, each of them rather glad the experiment had worked.

Einstein X-ray Observatory launched

The Sky Finally Came Into Focus

X-rays from astrophysical sources had been a known phenomenon since Riccardo Giacconi's rocket-borne detectors confirmed the first cosmic X-ray source in 1962, but detecting X-rays and imaging them are very different propositions. X-rays are energetic enough to pass straight through conventional mirrors rather than reflecting off them; focusing them requires mirrors arranged at extremely shallow, grazing angles, a technique demanding extraordinary precision in construction and extraordinarily stable pointing in orbit. The Einstein Observatory — formally HEAO-2 — launched on 13 November 1978 and became the first satellite capable of producing genuine X-ray images of cosmic objects rather than mere counts of incoming photons. The science it returned was immediate and transformative: stellar coronae visible for the first time at X-ray wavelengths, detailed maps of supernova remnants, the identification of X-ray jets from active galactic nuclei, and a census of sources that expanded the known X-ray sky by orders of magnitude. The observatory was named for Einstein in his centennial year, a compliment he was no longer around to receive, though his general relativity underpinned much of what the telescope found. It operated until 1981 and established the template for every imaging X-ray observatory that followed.