George Mraz
George Mraz (born Jiří Mráz; 9 September 1944 – 16 September 2021) was a Czech-born American jazz bassist and alto saxophonist. He was a member of Oscar Peterson's group. During the 1970s, he was a member of the New York Jazz Quartet and The Thad Jones/Mel Lewis Orchestra, and in the 1980s a member of Quest.