Richard Askey was an American mathematician, mathematics educator and historian of mathematics (especially of Ramanujan). His main specialty were special functions. Askey scheme for orthogonal polynomials? is named after him. Askey–Wilson polynomials are at the top of that scheme.
Howard S. Cohl, Mourad E. H. Ismail, Hung-Hsi Wu, The Legacy of Dick Askey (1933–2019), Notices of Amer. Math. Soc., Jan 2022 pdf
Selected works
G. E. Andrews, Richard Askey, R. Roy, Special functions, Enc. of Math. and its Appl. 71, Cambridge Univ. Press 1999
G. E. Andrews, Richard Askey, Classical orthogonal polynomials. In: Brezinski, C., Draux, A., Magnus, A.P., Maroni, P., Ronveaux, A. (eds) Polynômes Orthogonaux et Applications. Lecture Notes in Mathematics, 1171, Springer 1985 doi
Richard Askey, James Wilson, A set of hypergeometric orthogonal polynomials, SIAM J. Math. Anal. 13 (1982), no. 4, 651–655, doi
Richard Askey, James Wilson, A recurrence relation generalizing those of Apéry, J. Austral. Math. Soc. Ser. A 36 (1984), no. 2, 267–278
Richard Askey, James Arthur Wilson, Some basic hypergeometric orthogonal polynomials that generalize Jacobi polynomials, Mem. Amer. Math. Soc. 54 (1985), no. 319, iv+55 pp. gBooksdoi