2011 Nobel Prize winners announced

The Nobel Foundation announces the Nobel Prizes in economics, literature, chemistry, physics, medicine and peace.

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Oct. 10, 2011

Thomas Sargent, 68, a professor at Princeton University, won the Nobel economics prize on Monday for research that sheds light on the cause-and-effect relationship between the economy and policy instruments such as interest rates and government spending. He shares this prize with

Julio Cortez / AP

Oct. 10, 2011

Christopher Sims, 68, a professor at Princeton University, looks as a passerby congratulates him for winning the Nobel Prize in economics. Sims shares this prize with fellow Princeton professor,

Julio Cortez / AP

Oct. 10, 2011

American economist Thomas Sargent takes a phone call while seated on a train in New York, shortly after learning that he and fellow American Christopher Sims had won the Nobel Prize for Economics.

Mark Lennihan / AP

Oct. 10, 2011

Princeton University Professor of Economics and Banking Christopher Sims leaves his residence to teach a class after learning that he and American economist Thomas Sargent and Sims share the Nobel prize in economics.

Tim Shaffer / Reuters

Oct. 7, 2011

Yemeni Tawakkol Karman receives congratulations from supporters at Tagheer Square in Sanaa, Yemen, after it was announced that she won the Nobel Peace Prize. Karman said on Friday that the award was a victory for Yemen's democracy activists and that they would not give up until they had won full rights in a "democratic, modern Yemen."

Mohamed al-Sayaghi / Reuters

Oct. 7, 2011

Nobel Peace Prize winner Leymah Gbowee speaks on a mobile phone in New York. Ellen Johnson Sirleaf, Africa's first freely elected female head of state, shared the $1.5 million prize with compatriot Gbowee, who led a "sex strike" among her efforts against Liberia's civil war, and Yemeni activist Tawakkol Karman.

Shannon Stapleton / Reuters

Oct. 7, 2011

Liberian President Ellen Johnson Sirleaf talks with journalists at her residence in Monrovia. Johnson was one of three winners of the Nobel Peace Prize announced Friday.

Luc Gnago / Reuters

Liberian President Ellen Johnson Sirleaf and Liberian peace activist Leymah Gbowee, co-winners of the Nobel Peace Prize, sit together in Ghana's capital, Accra, in an undated photo taken by a family member. Declaring women's rights vital for world peace, the Nobel Committee awarded its annual Peace Prize to three indomitable female campaigners against war and oppression.

/ Reuters

Oct. 7, 2011

Norwegian Nobel Committee Chairman Thorbjoern Jagland, center left, announces Liberian President Ellen Johnson Sirleaf, Liberian peace activist Leymah Gbowee and Tawakkol Karman of Yemen as the recipients of the 2011 Nobel Peace prize in Oslo. The three women were honored for their work on women's rights.

Fredrik Varfjell/Scanpix Norway / AP

Oct. 6, 2011

Swedish poet and author Tomas Transtromer, center, and his wife, Monica, center right, talk to the media at their home in Stockholm after he was awarded the 2011 Nobel Prize in literature.

Fredrik Sandberg / AP

Oct. 6, 2011

Employee Henrik Lundin arranges a book about Swedish poet Tomas Transtromer at a bookstore in Stockholm.

Scanpix Sweden / Reuters

Oct. 6, 2011

Swedish poet Tomas Transtromer poses for a photograph at his home in Stockholm.

Jessica Gow / AP

Oct. 5, 2011

Israeli scientist Daniel Shechtman, right, addresses the media during a news conference at the Haifa Technion, Israel. Shechtman won the 2011 Nobel Prize in chemistry for his discovery of quasicrystals, a mosaic-like chemical structure that researchers previously thought was impossible.

Ariel Schalit / AP

This undated image shows the atomic model of an Ag-Al quasicrystal. Quasicrystals, described by the Nobel jury as "a remarkable mosaic of atoms," are patterns that are highly ordered and symmetrical but do not repeat themselves. Daniel Shechtman of Israel won the 2011 Nobel Chemistry Prize for discovering and revealing the secrets of quasicrystals

Getty Images

Oct. 4, 2011

Professor Staffan Normark of the Royal Swedish Academy of Sciences announces the winners of the Nobel Prize in physics during a news conference in Stockholm.

Leif R Jansson / AP

In this Sept. 19, 2008 photo, astronomer Adam Riess sits in his office at Johns Hopkins University in Baltimore. The Royal Swedish Academy of Sciences says American Saul Perlmutter, U.S.-Australian citizen Brian Schmidt and U.S. scientist Riess share the 2011 Nobel Prize in physics "for the discovery of the accelerating expansion of the universe through observations of distant supernovae."

Gail Burton / AP

Oct. 4, 2011

Brian Schmidt poses at his home in Canberra, Australia, shortly after it was announced he is one of three U.S.-born scientists to win the Nobel Prize in physics for discovering that the universe is expanding at an accelerating pace.

Adrian Schmidt / AP

Oct. 4, 2011

Nobel Prizes winner for physics Saul Perlmutter smiles as he poses with his daughter's telescope at his home in Berkeley, Calif., after hearing he had won. The Royal Swedish Academy of Sciences said American Perlmutter would share the 10 million kronor ($1.5 million) award with U.S.-Australian Brian Schmidt and U.S. scientist Adam Riess. Working in two separate research teams during the 1990s, Perlmutter in one and Schmidt and Riess in the other, the scientists raced to map the universe's expansion by analyzing a particular type of supernovas, or exploding stars.

Paul Sakuma / AP

Professor Hans-Gustaf Ljunggren of the Karolinska institute announces the laureates for the 2011 Nobel Prize in medicine during a news conference in Stockholm on Oct. 3, 2011.

Leif R. Jansson / AP

Ralph Steinman of Rockefeller University speaks during a news conference in Albany, N.Y., in 2009. Steinman is one of the recipients of the 2011 Nobel Prize in medicine. He was honored for "his discovery of the dendritic cell and its role in adaptive immunity." The Nobel Foundation says the Nobel Prize in medicine awarded to him will remain unchanged, even though he died three days before the announcement

Mike Groll / AP

Bruce Beutler of the Scripps Research Institute in La Jolla, Calif., speaks during a news conference in Albany, N.Y., in 2009. The Nobel committee says Beutler and Luxembourg-born scientist Jules Hoffmann share the 2011 Nobel Prize in medicine with Steinman. Beutler and Hoffmann were cited "for their discoveries concerning the activation of innate immunity."

Mike Groll / AP

Jules Hoffmann poses for a picture after receiving the Balzan Prize in Bern, Switzerland, in 2007. Hoffman was one of the recipients of the Nobel Prize in medicine.

Lukas Lehmann / AP

A picture of an image seen on a television screen at the Nobel Assembly at the Karolinska Institute in Stockholm during the announcement that Bruce A. Beutler and Jules A. Hoffmann of Luxembourg had won the 2011 Nobel Prize in physiology or medicine for their discoveries concerning the activation of innate immunity and that Ralph Steinman had won for his discovery of the dendritic cell and its role in adaptive immunity.

Jonathan Nackstrand / AFP/Getty Images

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2011 Nobel Prize winners announced

The Nobel Foundation announces the Nobel Prizes in economics, literature, chemistry, physics, medicine and peace.

Featured Photo Galleries