Michael James David Powell (1936-2015)

Michael James David Powell at the Mathematics Genealogy Project.

Michael J. D. Powell at Wikipedia.

Michael J. D. Powell at MathSciNet (for those with access).

Buhmann, M. D., Fletcher, R., Iserles, A., and Toint, P., Michael J. D. Powell. 29 July 1936-19 April 2015, Biographical Memoirs of Fellows of the Royal Society. London: Royal Society (2018).

Buhmann, M. D., Michael J. D. Powell's work in approximation theory and optimisation, J. Approx. Theory 238 (2019), 3-25.

Zhang, Zaikun, A Memorial Page Dedicated to Late Professor M. J. D. Powell FRS (1936-2015).

Davis, Philip, An Interview with Michael J. D. Powell from 2005.