William Gilbert Chaloner was born on November 22, 1928, and died on October 13, 2016.

He was a British palaeobotanist.

William Gilbert Chaloner was Professor of Botany in the Earth Sciences Department at Royal Holloway, University of London, and Visiting Professor in Earth Sciences at University College, London.

He married his American wife Judith; they have two daughters and a son.

William Gilbert Chaloner passed away at 87 years old.