Theodore Seio Chihara American mathematician dead at age 96
an American mathematician, died on February 15, 2026. He worked on orthogonal polynomials and introduced the Al-Salam–Chihara, Brenke–Chihara and Chihara–Ismail polynomials. Chihara earned his PhD from Purdue University, where his thesis advisor was Arthur Rosenthal. He was the brother of… · 15 February 2026 · February 2026