Jean de La Hire (Adolphe d’Espie, 1878 – 1956) was a prolific French author of popular fiction. His works of proto-sf interest include La Roue Fulgurante (1908) and L’Europe future (1916). He is best known for the proto -superhero Nyctalope sequence, seventeen stories in all — from Le Mystère des XV (1911) to L’Énigme du Squelette (1955).