Committee of Concerned Scientists

An international non-profit organization of scientists, physicians, engineers and scholars dedicated to protecting the human rights and scientific freedom of our colleagues around the world.

An independent non-profit organization of scientists, physicians, engineers and scholars dedicated to protecting the human rights and scientific freedom of our colleagues around the world.

Our Work

Anthony Leggett, a Nobel Laureate Who Contributed to the CCS’s Work With Soviet Refuseniks in the 1970s and 1980s, Passed Away on March 8, 2026

Obituary from the University of Illinois Urbana-Champaign CHAMPAIGN, Ill. — Theoretical physicist Sir Anthony James Leggett, widely recognized as a world leader in condensed matter physics and for his pioneering work on superfluidity and the quantum mechanics of macroscopic systems, died March 8. The University of Illinois Urbana-Champaign professor was 87 years old. Read more ... Continue Reading>>

University of Sancti Spíritus Professor Sentenced to 10 Years in Prison for Allegedly Painting Anti-Government Graffiti

University of Sancti Spíritus Professor Ariel Manuel Martin Barroso was recently sentenced to 10 years in prison for allegedly painting anti-government graffiti under charges that appear to be entirely politically motivated against his fundamental right to free expression. He was also not allowed contact with the outside world for five to six months following his arrest in early 2025, stripping ... Continue Reading>>

Appeal to the United Nations Calls for Release of Russian Engineer Dmitry Bogmut After Seven-Year Sentence

Dmitry Bogmut, an engineer from St. Petersburg, was sentenced to seven years in prison for sharing anti-war content about the Russian army. The CCS holds the opinion that Bogmut has not committed any crime under either UN or Russian law and calls on the United Nations to take action for his release. ... Continue Reading>>

Call for End to Ongoing Persecution of a Physicist

CCS urges authorities to end the prolonged persecution of a physicist convicted on terrorism-related charges in France over 16 years ago. Even though he served his sentence and has since contributed positively to the scientific community, he has faced restrictions and repeated expulsions from various countries, hindering his research career. ... Continue Reading>>

2025 Annual Report

2025 Case Report (as of December 2025) January 2025 Igbal Abilov, Azerbaijan Igbal Abilov, a Belarusian State University lecturer in ethnic studies, was arrested in Azerbaijan, raising concerns that the detention is linked to his research on ethnic minorities conducted with Armenian academics ahead of COP29 in Baku. The Committee calls for his release, return to Belarus, and access to legal ... Continue Reading>>

CONTACT

Edyta Greer
Executive Director
P.O. Box 112
New York, NY 10159
emgreer@concernedscientists.org