Alan Fersht

Professor Sir Alan Fersht FRS FMedSci
Born	Alan Roy Fersht (1943-04-21) 21 April 1943 London, England
Education	Sir George Monoux Grammar School, University of Cambridge
Known for	Protein folding, Phi value analysis, Protein engineering, nucleation-condensation mechanism, double-sieve model of error correction, aminoacyl tRNA synthetases, specificity constant ${\displaystyle k_{\text{cat}}/K_{\mathrm {m} }}$
Spouse	Marilyn Persell ​ (m. 1966)​
Awards	Knight Bachelor (2003) Gabor Medal (1991) Davy Medal (1998) Royal Medal (2008) Copley Medal (2020)
Scientific career
Fields	Enzyme catalysis Protein folding p53 Cancer
Institutions	Laboratory of Molecular Biology University of Cambridge Imperial College, London Gonville and Caius College, Cambridge
Thesis	Intramolecular Catalysis of Ester Hydrolysis (1968)
Doctoral students	Jane Clarke Sophie E. Jackson, Andreas Matouschek

Sir Alan Roy Fersht (born 21 April 1943) is a British chemist at the MRC Laboratory of Molecular Biology, Cambridge, and an Emeritus Professor in the Department of Chemistry at the University of Cambridge. He was Master of Gonville and Caius College, Cambridge from 2012 to 2018. He works at the interface of chemistry, molecular biology and biophysics on protein science, and is sometimes described as a founder of protein engineering.