Best known for his collection of piano studies, Gradus ad Parnassum, to which Debussy's piece Doctor Gradus ad Parnassum makes playful allusion.
... Familial[?] Amyloid polyneuropathy, transthyretin related[?] Amyloidosis of gingiva and conjunctiva mental retardation[?] Amyloidosis, Familial[?] ...