Nobel Prize Announcements 2012

Key figures: Shinya Yamanaka, John B. Gurdon (Medicine/Physiology); Serge Haroche, David Wineland (Physics); Robert Lefkowitz, Brian Kobilka (Chemistry); Mo Yan (Literature); European Union (Peace); Lars Peter Hansen, Eugene Fama, Robert Shiller (Economics)

Summary

The 2012 Nobel Prizes recognized foundational advances in biomedicine, quantum physics, structural biology, world literature, and European statecraft. Announced across the first two weeks of October 2012, the prizes carried a total value of 8 million Swedish kronor (approximately US$1.2 million) per category. In Medicine, Japanese scientist Shinya Yamanaka and British biologist Sir John B. Gurdon won for proving that adult cells could be reprogrammed into induced pluripotent stem cells (iPSCs) — a discovery that opened regenerative medicine to personalized therapies while sidestepping the ethical controversy of embryonic stem cell research. In Physics, Serge Haroche (France) and David Wineland (United States) were honored for their complementary experimental methods for observing and controlling individual quantum particles — work that became foundational to quantum computing research. The Chemistry prize recognized Robert Lefkowitz and Brian Kobilka for decoding the molecular architecture of G-protein-coupled receptors (GPCRs), the target of roughly 30–40% of all marketed drugs. Chinese writer Mo Yan became the first mainland Chinese author to receive the Literature prize. The European Union won the Peace Prize amid a deepening eurozone sovereign debt crisis, generating immediate international controversy. The Economics prize went to three American economists — Eugene Fama, Lars Peter Hansen, and Robert Shiller — for empirical research on asset prices, a choice that itself attracted debate for recognizing scholars with conflicting views on market efficiency.

Announcement Calendar

Prize	Announcement Date	Committee
Physiology or Medicine	8 October 2012	Nobel Assembly at Karolinska Institutet
Physics	9 October 2012	Royal Swedish Academy of Sciences
Chemistry	10 October 2012	Royal Swedish Academy of Sciences
Literature	11 October 2012	Swedish Academy
Peace	12 October 2012	Norwegian Nobel Committee
Economic Sciences	15 October 2012	Royal Swedish Academy of Sciences

All prizes were presented at ceremonies in Stockholm (Medicine, Physics, Chemistry, Literature, Economics) and Oslo (Peace) on 10 December 2012 — the anniversary of Alfred Nobel’s death in 1896.

Medicine: Induced Pluripotent Stem Cells

Shinya Yamanaka (Kyoto University and Gladstone Institutes) and Sir John B. Gurdon (Gurdon Institute, University of Cambridge) shared the 2012 Nobel Prize in Physiology or Medicine — announced 8 October 2012 — “for the discovery that mature cells can be reprogrammed to become pluripotent.”

Gurdon’s Nuclear Transplantation (1962)

Gurdon’s foundational experiment was conducted at the University of Oxford in 1962, when he replaced the nucleus of a frog egg cell with the nucleus of a mature intestinal cell from a tadpole. Remarkably, the egg developed normally into a tadpole, demonstrating that differentiated cells retain the complete genetic program of the organism. The technique — somatic cell nuclear transfer (SCNT) — proved that cell specialization does not permanently alter the genome. This finding directly contradicted the prevailing scientific consensus and earned Gurdon persistent skepticism from peers for over a decade.

Gurdon’s result was the conceptual seed for all subsequent cloning and reprogramming research, including Dolly the sheep (1996, Roslin Institute), the first mammal cloned from an adult somatic cell using SCNT.

Yamanaka’s iPSC Breakthrough (2006)

In November 2006, Yamanaka and Kazutoshi Takahashi published “Induction of Pluripotent Stem Cells from Mouse Embryonic and Adult Fibroblast Cultures by Defined Factors” in Cell (Volume 126, Issue 4, pp. 663–676). The paper described introducing just four transcription factors — Oct3/4, Sox2, c-Myc, and Klf4 (the “Yamanaka factors”) — into adult mouse skin fibroblasts, converting them into cells that behaved like embryonic stem cells in every tested parameter.

In 2007, Yamanaka and Yu et al. (James Thomson’s lab, University of Wisconsin) simultaneously published the extension of this technique to human cells, generating human iPSCs from adult skin cells. This parallel publication demonstrated the universality of the approach and accelerated global adoption.

By 2012, over 6,000 scientific papers had cited the original Yamanaka iPSC studies, and iPSCs were in use worldwide for:

Disease modeling: patient-specific iPSCs from individuals with Parkinson’s disease, ALS, or diabetes to study disease mechanisms in vitro
Drug screening: iPSC-derived neurons, cardiomyocytes, and hepatocytes for pharmaceutical toxicity and efficacy testing
Cell therapy research: early-stage trials exploring iPSC-derived retinal pigment epithelium for macular degeneration
Genetic correction: combining iPSCs with gene editing (an early era of zinc-finger nucleases) to correct inherited mutations ex vivo

Ethical Significance

A crucial aspect of Yamanaka’s breakthrough was its ethical dimension. Throughout the 2000s, embryonic stem cell (ESC) research had been politically contested — most acutely in the United States, where federal funding restrictions under the Bush administration (2001–2008) limited ESC work. iPSCs required no embryo destruction, removing the primary ethical objection and opening regenerative medicine research in jurisdictions where ESC work was restricted. Yamanaka later stated that this ethical consideration — creating pluripotent cells without destroying embryos — was a personal motivation for his research direction.

Physics: Quantum Optics and Single-Particle Control

Serge Haroche (Collège de France and École Normale Supérieure, Paris) and David J. Wineland (National Institute of Standards and Technology, Boulder, Colorado) shared the 2012 Nobel Prize in Physics — announced 9 October 2012 — “for ground-breaking experimental methods that enable measuring and manipulation of individual quantum systems.”

Their work addressed one of the central paradoxes of quantum mechanics: quantum states are destroyed by the act of measurement. Haroche and Wineland independently developed methods to observe quantum systems indirectly, preserving the quantum state while still extracting information.

Haroche’s Cavity Quantum Electrodynamics

Working from the 1980s onward, Haroche’s group at the École Normale Supérieure developed cavity quantum electrodynamics (CQED): the trapping of individual photons inside microwave cavities built from superconducting mirrors, cooled to near absolute zero. The cavity’s mirrors were polished to extraordinary precision — a photon could bounce back and forth one billion times before being absorbed, lasting for approximately 0.13 seconds.

Haroche’s key innovation was using Rydberg atoms (atoms with electrons in very high-energy, large-radius orbits) as probes: passing a single Rydberg atom through the cavity allowed indirect measurement of the cavity’s photon state without absorbing the photon. Experiments performed by his group in the early 2000s:

Counted individual photons by monitoring changes in the Rydberg atom’s internal state
Directly observed quantum decoherence — the progressive destruction of a quantum superposition as it interacted with its environment — in real time
Prepared Schrödinger cat states of the electromagnetic field: superpositions of zero and one photon, or of coherent states with different phases

These experiments provided some of the most direct experimental tests of quantum mechanics’ predictions about measurement and decoherence ever performed.

Wineland’s Trapped-Ion Quantum Systems

Wineland’s group at NIST developed complementary techniques using trapped ions — typically beryllium (⁹Be⁺) or magnesium (²⁵Mg⁺) ions held in place by radiofrequency electromagnetic fields (Paul traps) and laser-cooled to within a fraction of a degree above absolute zero.

Key milestones from Wineland’s group relevant to the 2012 prize:

1995: First demonstration of a two-qubit quantum logic gate using trapped ions (Cirac-Zoller protocol), Nature 374, 599–601
1997: Quantum teleportation precursor experiments with trapped ions
2004: Demonstration of scalable quantum error correction using trapped ions
2011: Six-qubit trapped-ion entanglement, and high-fidelity single-qubit gates approaching 99.9%

By 2012, Wineland’s trapped-ion platform was one of the two leading experimental approaches (alongside superconducting qubits) to building a quantum computer. Wineland had also used trapped ions to build optical atomic clocks accurate to one second in 3.7 billion years — the most precise timekeeping instruments ever constructed, with applications in GPS navigation and tests of fundamental physics.

Connection to Quantum Computing

The Physics prize had direct resonance with the broader 2012 quantum computing advances landscape. Haroche’s CQED techniques informed superconducting qubit research (particularly at Yale and IBM), while Wineland’s trapped-ion work underpinned commercial efforts at companies like IonQ (founded 2015) and Quantinuum. See also: Quantum Computing Advances 2012.

Chemistry: G-Protein-Coupled Receptors

Robert J. Lefkowitz (Duke University Medical Center) and Brian K. Kobilka (Stanford University School of Medicine) shared the 2012 Nobel Prize in Chemistry — announced 10 October 2012 — “for studies of G-protein-coupled receptors.”

GPCRs constitute the largest family of cell-surface signal transducers in the human genome, with approximately 800 members encoded by roughly 4% of protein-coding genes. They respond to hormones, neurotransmitters, odorants, light, and a vast range of molecular signals by transmitting information across the plasma membrane and activating intracellular G-protein cascades. Approximately 34% of FDA-approved drugs target GPCRs — a figure that underscores the family’s biomedical importance.

Lefkowitz’s Molecular Identification (1970s–1980s)

Beginning in the early 1970s, Lefkowitz used radioactive hormone analogs to identify and characterize the β-adrenergic receptor (the receptor for adrenaline and noradrenaline) on cell membranes. His group:

Purified the β-adrenergic receptor from cell membranes for the first time (1979–1980)
Cloned and sequenced the receptor’s gene (1986), revealing the seven-transmembrane-helix topology that defines the GPCR superfamily
Discovered β-arrestin (1988), a regulatory protein that desensitizes GPCRs after activation — a finding with profound implications for drug tolerance and receptor biology

Kobilka was a postdoctoral fellow in Lefkowitz’s laboratory when he cloned the β-adrenergic receptor gene, launching a collaboration that would span decades.

Kobilka’s Structural Biology (1990s–2011)

Kobilka’s independent research group at Stanford focused on resolving the three-dimensional structure of GPCRs using X-ray crystallography — a task that proved extraordinarily difficult because membrane proteins are inherently unstable outside their lipid environment.

Key structural milestones:

2007: First crystal structure of the β₂-adrenergic receptor in an inactive state (Science 318, 1258–1265) — the first structure of a human GPCR
2011: Crystal structure of the β₂-adrenergic receptor in its active, signaling conformation bound to a G protein (Nature 477, 549–555) — the first view of a GPCR “caught in the act” of signaling

The 2011 structure was considered a landmark achievement that had eluded structural biologists for 25 years. It revealed the precise conformational changes by which ligand binding activates the receptor and recruits the G protein, providing atomic-level insight for rational drug design. Kobilka later noted that his group prepared over 1,000 crystallization attempts over several years before obtaining diffracting crystals.

Literature: Mo Yan

Mo Yan (pen name of Guan Moye, born 5 March 1955, Gaomi, Shandong Province) received the 2012 Nobel Prize in Literature — announced 11 October 2012 — “who with hallucinatory realism merges folk tales, history and the contemporary.” He was the first citizen of the People’s Republic of China — as distinct from overseas Chinese writers such as Gao Xingjian (2000, who held French citizenship) — to win the prize.

Major Works

Work	Original Publication	Description
Red Sorghum (Hóng Gāoliang Jiāzú)	1986	Wartime family saga; adapted by Zhang Yimou into the 1987 film Red Sorghum
The Garlic Ballads (Tiāntáng Suàntái Zhī Gē)	1988	Protest novel about rural oppression; briefly censored in China
The Republic of Wine (Jiǔguó)	1992	Satirical exploration of corruption and cannibalism
Big Breasts and Wide Hips (Fēng Rǔ Féi Tún)	1995	Century-spanning family history through the eyes of a mother
Life and Death are Wearing Me Out (Shēng Sǐ Pí Láo)	2006	Reincarnation novel covering 50 years of Chinese history
Frog (Wā)	2009	Novel critiquing China’s one-child policy

Mo Yan’s fiction is characterized by its exuberant, often grotesque imagery, its unreliable narrators (frequently children or animals), and its blend of Chinese folk-tale traditions with an aesthetic influenced by Gabriel García Márquez, William Faulkner, and Rabelais. His thematic focus on rural China’s historical suffering — during the Japanese occupation, the Civil War, the Cultural Revolution, and the reform era — placed him in a tradition of Chinese writers attempting to recover repressed collective memory.

Controversy

The 2012 Literature prize generated significant international controversy. Critics — led by Chinese democracy advocates, including jailed Nobel Peace laureate Liu Xiaobo’s supporters — objected that Mo Yan had:

Signed a petition in support of the Beijing 2008 Olympics (widely seen as endorsing the government’s handling of Tibet)
Declined to publicly advocate for Liu Xiaobo’s release
Participated in a 2012 event in which writers were asked to copy, by hand, a speech by Mao Zedong

Salman Rushdie described the choice as “a catastrophe.” Czech writer and PEN International figure Václav Havel (who died in 2011) had long advocated against awarding the prize to authors perceived as compromised by authoritarian states. The Swedish Academy defended its decision by citing Mo Yan’s literary merits and arguing that literature prizes should not be instruments of political pressure. The controversy illustrated the persistent tension between aesthetic and political criteria in Nobel Prize selection.

Mo Yan’s prize also came in the same year that Xi Jinping consolidated power at the 18th National Congress of the Chinese Communist Party, drawing additional scrutiny to China’s political direction. See also: Xi Jinping 2012 Elevation.

Peace: The European Union

The Norwegian Nobel Committee announced on 12 October 2012 that the 2012 Nobel Peace Prize was awarded to the European Union, “for over six decades of contribution to the advancement of peace and reconciliation, democracy and human rights in Europe.”

The EU received the prize at a ceremony in Oslo on 10 December 2012, where it was accepted jointly by European Council President Herman Van Rompuy, European Commission President José Manuel Barroso, and European Parliament President Martin Schulz — the first time a Nobel Peace Prize was accepted by three individuals representing a single laureate.

Historical Basis

The Committee’s citation emphasized the EU’s post-WWII historical achievement:

1951: European Coal and Steel Community (ECSC) — France, Germany, Italy, Belgium, Netherlands, Luxembourg pool their coal and steel industries, making war between France and Germany “materially impossible” (Schuman Declaration, 1950)
1957: Treaty of Rome creates the European Economic Community
1993: Maastricht Treaty establishes the European Union
2004: The largest single enlargement brings 10 Central and Eastern European nations into the EU, consolidating democratic transitions
2012: 27 member states, 500 million citizens

The Committee noted that the EU had transformed Europe from “a continent of war to a continent of peace.”

Controversy and Context

The award generated immediate controversy for three reasons:

Timing: The prize was announced at the height of the eurozone sovereign debt crisis. Greece had undergone two bailout packages (2010 and 2012) under punishing austerity conditions negotiated largely by EU and IMF institutions. Spanish and Italian borrowing costs had reached crisis levels. Tens of thousands were protesting austerity measures across Greece, Spain, Portugal, and Ireland — in some cases, under banners comparing EU austerity to German wartime occupation. See also: European Debt Crisis 2012.

Institutional precedent: The Nobel Peace Prize had previously been awarded to organizations (the Red Cross, UNHCR, IAEA), but never to a political/economic union with coercive power over member states. Critics argued that awarding the prize to an institution, rather than to individual peacemakers or civil society organizations, diluted the prize’s moral authority.

Selective history: Several commentators noted that the EU’s peace narrative downplayed the role of NATO and American military guarantees in deterring Soviet aggression during the Cold War — factors that arguably did as much as European economic integration to prevent intra-European war.

Despite controversy, the award was endorsed by most European heads of government and by the Nobel Committee’s explanation that it recognized a historical trajectory, not an endorsement of current EU policies.

Economic Sciences: Asset Pricing

The 2012 Nobel Memorial Prize in Economic Sciences — technically the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel — was announced on 15 October 2012 and shared by Eugene F. Fama (University of Chicago), Lars Peter Hansen (University of Chicago), and Robert J. Shiller (Yale University) “for their empirical analysis of asset prices.”

The award was remarkable for its intellectual tension: Fama’s Efficient Market Hypothesis (EMH) — markets incorporate all available information, making it impossible to consistently beat them — and Shiller’s work on irrational exuberance and market bubbles are widely considered opposing frameworks. Awarding the prize jointly reflected the Committee’s judgment that their empirical methods — rather than their theoretical conclusions — represented the lasting contribution to economics.

Cumulative Significance of the 2012 Prizes

Viewed together, the 2012 Nobel Prizes reflected several currents shaping 2012:

Biology goes personal: Yamanaka’s iPSCs embodied the shift from population-level medicine toward cellular, patient-specific therapies — a direction that would accelerate through CAR-T cell therapies, gene editing, and organoid technology in the following decade
Quantum physics becomes technology: Haroche and Wineland’s prize explicitly recognized that single-particle quantum control was no longer merely a curiosity but the experimental foundation of quantum computing and atomic clocks
Drug design’s molecular revolution: Kobilka’s GPCR crystal structures marked a before-and-after moment for rational pharmaceutical design; within five years, GPCR-targeted drug programs had produced multiple blockbuster medications
China’s cultural ascendance (and its limits): Mo Yan’s prize was a milestone for Chinese literature’s global recognition — immediately complicated by the political questions his selection raised
Institutions under stress: The EU Peace Prize arrived when European integration was at its most contested point since the euro’s inception, testing whether the prize could insulate against geopolitical moment

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Path	`_posts/people/2012-10-08-nobel-prize-2012.md`
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Date	`2012-10-08`

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