Bourgeon was originally educated as a master stained glass artist, but difficulties in finding employment and a passion for drawing altered his course onto a different career.
These two titles already foreshadowed his later, more grim medieval epos Les Compagnons du crépuscule [fr] (The Companions of the Dusk), both thematically as well as art-wise.
For example, when working on The Passengers of the Wind, he did a vast amount of background reading, consulted academic specialists and visited the Maritime Museum in Nantes.
For this series he also made scale models both of colonial architectural structures and one of the ships on which the main characters sail, in order to ensure that the dimensions and the interior layouts were correct.
[2] His time-consuming and meticulous research has resulted in that his body of work is relatively modest in comparison to the ones created by his major contemporaries such as Jean "Mœbius" Giraud, Hermann Huppen or André Juillard.
For this most recent album as well as the others in the Cyann series Lacroix had the task of creating nearly all of the complex decors, natural or man made be they planets or islands, cities or buildings.