Ah, I see the problem. This Hannes Bok illustration was previously used as the back cover of the March, 1953 issue of ‘Other Worlds’ magazine. Robert Gibson Jones did the front cover of that issue. Clearly, someone at Palmer Publications got their wires crossed when crediting the front cover of this Feb, 1956 edition.
Ah, I see the problem. This Hannes Bok illustration was previously used as the back cover of the March, 1953 issue of ‘Other Worlds’ magazine. Robert Gibson Jones did the front cover of that issue. Clearly, someone at Palmer Publications got their wires crossed when crediting the front cover of this Feb, 1956 edition.
But I thought the Table of Contents was the final word!
Explanation : this painting of Hannes Bok was originally published as the back cover of the Nov. 1952 issue, whose front was Jones’work.