Who discovered crouzonodermoskeletal syndrome (crouzon syndrome)? what is it?

Crouzonodermoskeleta: Crouzonodermoskeletal syndrome involves premature joining skull bones & acanthosis nigricans. Louis edouard octave crouzon (1874–1938) published “une nouvelle famille atteinte de dysostose cranio-faciale héréditaire” in archives de médecine DES enfants, paris, in 1915. So I am guessing that he discovered crouzon syndrome prior to that publication.