Author:
[The first English travelling chess set.] P. M. Roget, M.D. [Peter Mark Roget (1779-1869), doctor, scientist, inventor and lexicographer, compiler of the celebrated ‘Thesaurus’]
Publication details:
Invented by P. M. Roget, M.D. And Registered according to Act of Parliament, November 10th 1845.
See his entry in the Oxford DNB, and the biography by Joshua Kendall, ‘The Man Who Made Lists’ (2008). Roget’s travelling chess set was first marketed in April 1846 by De La Rue. Roget had parted company with the firm by October of the same year, moving to Longmans, while De La Rue continued to market their own rival version. Rarely found complete and undamaged.