NOBEL 2025 BANQUET

NOBEL 2025 BANQUET

STOCKHOLM, SWEDEN 20251210Princess Madeleine and Nobel Prize laureate in Physiology or Medicine Fred Ramsdell during the Nobel Banquet at the City Hall in Stockholm, Sweden, December 10, 2025.Photo: Christine Olsson / TT / Code 10430

NOBEL 2025 BANQUET

NOBEL 2025 BANQUET

STOCKHOLM, SWEDEN 20251210 Nobel Prize laureate in Economics Philippe Aghion, Princess Madeleine and Nobel Prize laureate in Physiology or Medicine Fred Ramsdell during the Nobel Banquet at the City Hall in Stockholm, Sweden, December 10, 2025. Photo: Christine Olsson / TT / Code 10430

NOBEL 2025 BANQUET

NOBEL 2025 BANQUET

STOCKHOLM, SWEDEN 20251210 Princess Madeleine and Nobel Prize laureate in Physiology or Medicine Fred Ramsdell during the Nobel Banquet at the City Hall in Stockholm, Sweden, December 10, 2025. Photo: Christine Olsson / TT / Code 10430

NOBEL 2025 BANQUET

NOBEL 2025 BANQUET

STOCKHOLM, SWEDEN 20251210Princess Madeleine and Nobel Prize laureate in Physiology or Medicine Fred Ramsdell during the Nobel Banquet at the City Hall in Stockholm, Sweden, December 10, 2025.Photo: Christine Olsson / TT / Code 10430

NOBEL 2025 BANQUET

NOBEL 2025 BANQUET

STOCKHOLM, SWEDEN 20251210Princess Madeleine and Nobel Prize laureate in Physiology or Medicine Fred Ramsdell during the Nobel Banquet at the City Hall in Stockholm, Sweden, December 10, 2025.Photo: Jonas Ekströmer / TT / Code 10030

NOBEL 2025 BANQUET

NOBEL 2025 BANQUET

STOCKHOLM, SWEDEN 20251210Princess Madeleine and Nobel Prize laureate in Physiology or Medicine Fred Ramsdell during the Nobel Banquet at the City Hall in Stockholm, Sweden, December 10, 2025.Photo: Jonas Ekströmer / TT / Code 10030

NOBEL 2025 BANQUET

NOBEL 2025 BANQUET

STOCKHOLM, SWEDEN 20251210Princess Madeleine and Nobel Prize laureate in Physiology or Medicine Fred Ramsdell during the Nobel Banquet at the City Hall in Stockholm, Sweden, December 10, 2025.Photo: Christine Olsson / TT / Code 10430

NOBEL 2025 PRIZE AWARD

NOBEL 2025 PRIZE AWARD

STOCKHOLM, SWEDEN 20251210Nobel laureate in Physiology or Medicine Fred Ramsdell receives his award from King Carl Gustaf at the Nobel Prize ceremony at the Concert Hall in Stockholm, Sweden, December 10, 2025.Photo: Anders Wiklund / TT / Code 10040 undefined

NOBEL 2025 PRIZE AWARD

NOBEL 2025 PRIZE AWARD

STOCKHOLM, SWEDEN 20251210Nobel laureate in Physiology or Medicine Fred Ramsdell receives his award from King Carl Gustaf at the Nobel Prize ceremony at the Concert Hall in Stockholm, Sweden, December 10, 2025.Photo: Anders Wiklund / TT / Code 10040 undefined

NOBEL 2025 PRIZE AWARD

NOBEL 2025 PRIZE AWARD

STOCKHOLM, SWEDEN 20251210Nobel laureate in Physiology or Medicine Fred Ramsdell receives his award at the Nobel Prize ceremony at the Stockholm Concert Hall in Stockholm, Sweden, December 10, 2025.Photo: Anders Wiklund / TT / Code 10040 undefined

NOBEL 2025 PRIZE AWARD

NOBEL 2025 PRIZE AWARD

STOCKHOLM, SWEDEN 20251210Nobel laureate in Physiology or Medicine Fred Ramsdell receives his award from King Carl Gustaf at the Nobel Prize ceremony at the Concert Hall in Stockholm, Sweden, December 10, 2025.Photo: Anders Wiklund / TT / Code 10040 undefined

NOBEL 2025 PRIZE AWARD

NOBEL 2025 PRIZE AWARD

STOCKHOLM, SWEDEN 20251210From left, Nobel Prize winners in Physics John Clarke, Michel H. Devoret and John M. Martinis, Nobel Prize winners in Chemistry Susumu Kitagawa, Richard Robson and Omar M. Yaghi, Nobel Prize winners in Physiology or Medicine Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi, Nobel Prize winner in Literature László Krasznahorkai, Nobel Prize winner in Economics Joel Mokyr, Philippe Aghion and Peter Howitt at the Nobel Prize ceremony at the Concert Hall in Stockholm, Sweden, 10 December 2025.Photo: Pontus Lundahl / TT / Code 10050

NOBEL 2025 PRIZE AWARD

NOBEL 2025 PRIZE AWARD

STOCKHOLM, SWEDEN 20251210Nobel laureates in physiology or medicine Fred Ramsdell and Shimon Sakaguchi and Nobel laureate in literature László Krasznahorkai at the Nobel Prize ceremony at the Concert Hall in Stockholm, Sweden, December 10, 2025.Photo: Anders Wiklund / TT / Code 10040 undefined

NOBEL 2025 PRIZE AWARD

NOBEL 2025 PRIZE AWARD

STOCKHOLM, SWEDEN 20251210From left, Nobel Prize winners in Physics John Clarke, Michel H. Devoret and John M. Martinis, Nobel Prize winners in Chemistry Susumu Kitagawa, Richard Robson and Omar M. Yaghi, Nobel Prize winners in Physiology or Medicine Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi, Nobel Prize winner in Literature László Krasznahorkai, Nobel Prize winner in Economics Joel Mokyr, Philippe Aghion and Peter Howitt at the Nobel Prize ceremony at the Concert Hall in Stockholm, Sweden, 10 December 2025.Photo: Anders Wiklund / TT / Code 10040

Nobel laureate Sakaguchi in Stockholm

Nobel laureate Sakaguchi in Stockholm

Shimon Sakaguchi (L), a professor at the University of Osaka and a co-winner of the 2025 Nobel Prize in physiology or medicine, poses with U.S. laureates Mary E. Brunkow (R) and Fred Ramsdell after they gave their respective lectures in Stockholm on Dec. 7, 2025, ahead of the award ceremony on Dec. 10.

Nobel laureate Sakaguchi in Stockholm

Nobel laureate Sakaguchi in Stockholm

Shimon Sakaguchi (L), a professor at the University of Osaka and a co-winner of the 2025 Nobel Prize in physiology or medicine, attends a press conference in Stockholm on Dec. 6, 2025, together with U.S. laureates Mary E. Brunkow (C) and Fred Ramsdell ahead of the award ceremony on Dec. 10.

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Mary Brunkow and Shimon Sakaguchi and Nobel Prize winners in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Mary Brunkow and Shimon Sakaguchi and Nobel Prize winners in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Mary Brunkow and Shimon Sakaguchi and Nobel Prize winners in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Mary Brunkow and Shimon Sakaguchi and Nobel Prize winners in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Shimon Sakaguchi, Fred Ramsdell and Mary Brunkow, Nobel laureates in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Mary Brunkow and Shimon Sakaguchi and Nobel Prize winners in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Mary Brunkow and Shimon Sakaguchi and Nobel Prize winners in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Shimon Sakaguchi, Fred Ramsdell and Mary Brunkow, Nobel laureates in Physiology or Medicine, after giving their lectures in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Nobel Laureate, in Physiology or Medicine, gives his lecture "Translating Basic Science to Therapeutic Opportunities: the Treg Example" in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Nobel Laureate, in Physiology or Medicine, gives his lecture "Translating Basic Science to Therapeutic Opportunities: the Treg Example" in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Nobel Laureate, in Physiology or Medicine, gives his lecture "Translating Basic Science to Therapeutic Opportunities: the Treg Example" in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Nobel Laureate, in Physiology or Medicine, gives his lecture "Translating Basic Science to Therapeutic Opportunities: the Treg Example" in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Nobel Laureate, in Physiology or Medicine, gives his lecture "Translating Basic Science to Therapeutic Opportunities: the Treg Example" in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Nobel Laureate, in Physiology or Medicine, gives his lecture "Translating Basic Science to Therapeutic Opportunities: the Treg Example" in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

NOBEL LECTURE PHYSIOLOGY OR MEDICINE 2025

STOCKHOLM, SWEDEN 20251207Fred Ramsdell, Nobel Laureate, in Physiology or Medicine, gives his lecture "Translating Basic Science to Therapeutic Opportunities: the Treg Example" in Aula Medica in Stockholm, Sweden, 7 December 2025.Photo: Henrik Montgomery / TT / Code 10060

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

PRESS CONFERENCE WITH THE NOBEL PRIZE LAUREATES IN PHYSIOLOGY OR MEDICINE

Shimon Sakaguchin, Mary E. Brunkow and Fred Ramsdell, this year's Nobel laureates in physiology or medicine, during a press conference at the Nobel Forum in Stockholm, Sweden, 6 December 2025.Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

The 2025 Nobel Laureates pose for a group photo before the signing of the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Top row from left: John M. Martinis (Physics), Michel H. Devoret (Physics), László Krasznahorkai (Literature), Omar M. Yaghi (Chemistry), Shimon Sakaguchi (Medicine), Mary E. Brunkow (Medicine).Bottom row from left: Richard Robson (Chemistry), Fred Ramsdell (Medicine), Peter Howitt (Economics), Philippe Aghion (Economics), Joel Mokyr (Economics), Susumu Kitagawa (Chemistry), John Clarke (Physics).Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

Fred Ramsdell, laureate in medicine, signs the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

Fred Ramsdell, laureate in medicine, signs the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

The 2025 Nobel Laureates pose for a group photo before the signing of the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Top row from left: John M. Martinis (Physics), Michel H. Devoret (Physics), László Krasznahorkai (Literature), Omar M. Yaghi (Chemistry), Shimon Sakaguchi (Medicine), Mary E. Brunkow (Medicine).Bottom row from left: Richard Robson (Chemistry), Fred Ramsdell (Medicine), Peter Howitt (Economics), Philippe Aghion (Economics), Joel Mokyr (Economics), Susumu Kitagawa (Chemistry), John Clarke (Physics).Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

Fred Ramsdell, Mary E. Brunkow and Shimon Sakaguchi, laureates in medicine, during the signing of the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

The 2025 Nobel Laureates pose for a group photo before the signing of the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Top row from left: John M. Martinis (Physics), Michel H. Devoret (Physics), László Krasznahorkai (Literature), Omar M. Yaghi (Chemistry), Shimon Sakaguchi (Medicine), Mary E. Brunkow (Medicine).Bottom row from left: Richard Robson (Chemistry), Fred Ramsdell (Medicine), Peter Howitt (Economics), Philippe Aghion (Economics), Joel Mokyr (Economics), Susumu Kitagawa (Chemistry), John Clarke (Physics).Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

The 2025 Nobel Laureates pose for a group photo before the signing of the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Top row from left: John M. Martinis (Physics), Michel H. Devoret (Physics), László Krasznahorkai (Literature), Omar M. Yaghi (Chemistry), Shimon Sakaguchi (Medicine), Mary E. Brunkow (Medicine).Bottom row from left: Richard Robson (Chemistry), Fred Ramsdell (Medicine), Peter Howitt (Economics), Philippe Aghion (Economics), Joel Mokyr (Economics), Susumu Kitagawa (Chemistry), John Clarke (Physics).Photo: Claudio Bresciani / TT / Code 10090

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

NOBEL CHAIRS ARE SIGNED BY THE PRIZE WINNERS

STOCKHOLM, SWEDEN 20251206Fred Ramsdell, laureate in medicine, arrives as the Nobel laureates sign the Nobel Chairs at the Nobel Museum in Stockholm, Sweden, December 6, 2025.Photo: Claudio Bresciani / TT / Code 10090

Nobel Prize in medicine winner Sakaguchi

TOKYO, Japan, Oct. 7 Kyodo - Shimon Sakaguchi, a distinguished professor at Osaka University, attends a press conference in Suita, Osaka Prefecture in western Japan, on Oct. 6, 2025, after the Nobel Assembly at the Karolinska Institute announced that he won this year's Nobel Prize in Physiology or Medicine jointly with U.S. scientists Mary E. Brunkow and Fred Ramsdell, for their "groundbreaking" discoveries on how the immune system is kept in check. (Kyodo)

Nobel Prize in medicine winner Sakaguchi

Nobel Prize in medicine winner Sakaguchi

Shimon Sakaguchi, a distinguished professor at Osaka University, attends a press conference in Suita, Osaka Prefecture in western Japan, on Oct. 6, 2025, after the Nobel Assembly at the Karolinska Institute announced that he won this year's Nobel Prize in Physiology or Medicine jointly with U.S. scientists Mary E. Brunkow and Fred Ramsdell, for their "groundbreaking" discoveries on how the immune system is kept in check.