The 2025 MacArthur Fellows have been announced, and I’m very pleased that two of the 22 awardees are my : congratulations to Ángel F. Adames Corraliza from atmospheric and oceanic sciences, and Sébastien Phillippe from nuclear engineering and engineering physics. The only mathematician to win the award this year was Lauren Williams, who true devotees of this blog will remember as the person who gave the best talk I’ve ever seen about cluster algebras. Congratulations to all the winners!