The character of Monck Mason was not a real person, though he was based heavily on Thomas Monck Mason; the story borrowed heavily from Mason's 1836 book Account of the Late Aeronautical Expedition from London to Weilburg.
Postava Moncka Masona není skutečná, vychází z osoby vzduchoplavce Thomase Moncka Masona; příběh je pak odvozen z Masonovy knihy z roku 1836 Account of the Late Aeronautical Expedition from London to Weilburg.