We are very sorry to report the death of John F R Kerr at the age of 90, on June 4, 2024. Most of our readers will know his 1972 paperKerr JF, Wyllie AH, Currie AR. Apoptosis: a basic biological phenomenon with wide-ranging implications in tissue kinetics. Br J Cancer. 1972 Aug;26(4):239-57. doi: 10.1038/bjc.1972.33. PMID: 45610.27; PMCID: PMC2008650, one of the founding publications in the field. Tributes he appeared in Cell Death and Differentiation . There is also a biography in Wikipedia.  Watch this page for a further memorial.