Axel Firsoff held an MA degree in languages and worked as a Swedish translator and in the
United Kingdom Patent Office. He was a keen
mountaineer and
skier, as some of his earlier books reveal, and he was a ski instructor for the British Olympic Ski Team in the 1950s. He developed an interest in science, in particular
geology and
astronomy and this led him to publish numerous books on the moon and inner planets. In a 1977 review for Firsoff's book
The Solar Planets in the
New Scientist,
Ian Ridpath commented that "the author queries the now well-established 234-day rotation period of Venus, introduces the concept of superheated steam in that planet's atmosphere, and proposes seas at the Venusian poles. An inexperienced reader, seeking reliable information on our modern knowledge of the Solar System that the book promises, will not know that these views are unorthodox." ==Honors==