Alexander Graham Bell: teacher of the deaf.
D003638:Deafness / Q000266:history* / Q000534:rehabilitation; D004423:Ear; D004519:Education, Special / Q000266:history; D005197:Famous Persons; D049671:History, 18th Century; D006801:Humans; D010036:Otolaryngology / Q000266:history; D013689:Telephone / Q000266:history; D014481:United States