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Nature 400, 514 (5 August 1999) | doi:10.1038/22903

Palaeontologist who analysed and modelled the history of life

Obituary J. John Sepkoski Jr (1948-99)

Derek E. G. Briggs1

Jack Sepkoski, who died suddenly of heart failure on 1 May, demonstrated more than anyone how the data collected by generations of palaeontologists provide a basis for investigating patterns in the history of life. He matched neither of the stereotyped images of a palaeontologist — the macho explorer and the student of dusty specimens in museum drawers.