Martin Rees

Martin John Rees, Baron Rees of Ludlow, is a British cosmologist and astrophysicist, born in 1942, recognized for fundamental contributions to high-energy astrophysics, galaxy formation and cosmological studies, including the Rees-Sciama effect and research in 21-centimeter cosmology. He served as the fifteenth Astronomer Royal from 1995 to 2025, as President of the Royal Society from 2005 to 2010, and as Master of Trinity College Cambridge from 2004 to 2012. He received the Dannie Heineman Prize for Astrophysics in 1984, the Gold Medal of the Royal Astronomical Society in 1987, the Gruber Prize in Cosmology in 2001, the Crafoord Prize in 2005, the Order of Merit in 2007, the Templeton Prize in 2011 and the Copley Medal in 2023. He received the Wolf Prize in Physics in 2024, for fundamental contributions to high-energy astrophysics, galaxies and structure formation, and cosmology.