January 1939
From The Space Library
Design for a lunar spacecraft is featured on the cover of The Journal of the British Interplanetary Society. The article inside is written by one of the principle designers Harold E. Ross. Also included is an article called "An Elementary Mathematical Approach to Astronautics" by Arthur C. Clarke.
The last issue (#29) of Maurice K.Hanson's Novae Terrae science fiction magazine is published with Arthur C. Clarke, Hanson and William Temple editing. All three are members of the British Interplanetary Society.