About
Martin John Rees, Baron Rees of Ludlow, is a distinguished British cosmologist and astrophysicist. He held the position of fifteenth Astronomer Royal from 1995 to 2025, signifying his prominent role in British astronomy. Rees also served as Master of Trinity College, Cambridge, from 2004 to 2012, and President of the Royal Society from 2005 to 2010. He was awarded the Wolf Prize in Physics in 2024 for his fundamental contributions to high-energy astrophysics, galaxies, structure formation, and cosmology.
Career Timeline
Appointed Plumian Professor
Early recognition of his scientific talent.
Appointed Astronomer Royal
Assumes prestigious role, increasing visibility.
Master of Trinity College
Leads one of Cambridge's most famous colleges.
President of the Royal Society
Heads UK's premier scientific institution.
Awarded Wolf Prize in Physics
Receives major recognition for lifetime achievements.
Retires as Astronomer Royal
Steps down from a long and impactful tenure.
Leading Cosmologist
Continues to influence the field through research and writing.
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Last updated: February 25, 2026