Richard A. Askey (19332019)

Gaspar, G., M. E. H. Ismail, T. Koornwinder, P. Nevai, and D. W. Stanton,
The mathematical contributions of Richard Askey,
Contemporary Mathematics 254 (2000), 118.

Ismail, M. E. H. and D. W. Stanton,
Curriculum Vitae of Richard A. Askey,
Contemporary Mathematics 254 (2000), 1929.