Which British designer and publisher of tabletop and role-playing games coauthored Mutants in Orbit with Kevin Siembieda?
James Wallis (games designer) James Wallis is a British designer and publisher of tabletop and role-playing games.
Thomas Thwaites (designer) Thomas Thwaites is a British designer and writer. He describes himself as "a designer (of a more speculative sort), interested in technology, science, futures research & etc."