Who initially coined the term terraforming, according to historical exploration of planetary engineering?

Answer

Jack Williamson

The conceptual development of reshaping worlds has several milestones, including early exploration by individuals like Carl Sagan concerning Venus. However, the actual coinage of the specific term 'terraforming' is attributed to Jack Williamson, who developed the term in the year 1942, preceding many of the more modern discussions and proposals involving specific planetary engineering projects.

Who initially coined the term terraforming, according to historical exploration of planetary engineering?
Spaceexplorationplanetcolonizationterraforming