Edward Augustus William Oppen was a Prussian-born philatelist who was the creator of one of the first stamp catalogues in English[1] as well as the author of a number of foreign language textbooks.
In a stamp collecting journal, he was described as a "...classical teacher".
The publication quickly went through many editions as news of new stamps reached collectors.
A review of the second edition noted that it was "...much improved by that prince of engravers, Henry Whymper."
[3] An 1865 review of the sixth edition recorded that the editor had included, with permission, information from Mount Brown, Dr Gray and Mr Pemberton (presumably E.L.