Jennifer A. Clack. 3 November 1947—26 March 2020

@article{Ahlberg2021JenniferAC,
  title={Jennifer A. Clack. 3 November 1947—26 March 2020},
  author={Per Erik Ahlberg and Timothy R. Smithson},
  journal={BIOGRAPHICAL MEMOIRS OF FELLOWS OF THE ROYAL SOCIETY},
  year={2021}
}
  • P. Ahlberg, T. Smithson
  • Published 19 May 2021
  • Environmental Science
  • BIOGRAPHICAL MEMOIRS OF FELLOWS OF THE ROYAL SOCIETY
Jennifer Clack (née Agnew) dedicated her entire research career of more than 40 years to the fish-tetrapod transition, the evolutionary process during the Devonian and Carboniferous periods that transformed a lineage of lobe-finned fishes into the earliest land vertebrates. She was widely regarded as the world leader in this field. During an expedition in the summer of 1987 to the Late Devonian vertebrate localities of East Greenland, Clack collected numerous fossils of two of the earliest… 

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