00927cz a2200205n 4500 n 50035145 DLC 20241218064551.0 800717n| azannaabn |a aaa n 50035145 (OCoLC)oca00070451 DLC eng rda DLC DLC IEN OkU 1909-04-19 1974-02-15 edtf Alexander, C. H. O'D. (Conel Hugh O'Donel) Cork (Ireland) Cheltenham (England) Great Britain naf Chess players Cryptographers lcsh nna Alexander, Conel Hugh O'Donel His Chess, 1937. Info. converted from 678, 2012-10-02 (b. 1909) Wikipedia, Dec. 17, 2024: Conel Hugh O'Donel Alexander ((19 April 1909 [Cork] - 15 February 1974 [Cheltenham, England]), known as Hugh Alexander [no usage found in OCLC] and C. H. O'D. Alexander, was an Irish-born British cryptanalyst, chess player, and chess writer.)