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Two men and a woman signing American Sign Language (2008)
Two men and a woman signing American Sign Language (2008)
Juan Pablo Bonet, Reducción de las letras y arte para enseñar a hablar a los mudos ("Reduction of letters and art for teaching mute people to speak")
Juan Pablo Bonet, Reducción de las letras y arte para enseñar a hablar a los mudos ("Reduction of letters and art for teaching mute people to speak") (Madrid, 1620)
Chirogram from Chirologia, 1644
Chirogram from Chirologia, 1644
Sign language relief sculpture on a stone wall: "Life is beautiful, be happy and love each other", by Czech sculptor Zuzana Čížková on Holečkova Stree
Sign language relief sculpture on a stone wall: "Life is beautiful, be happy and love each other", by Czech sculptor Zuzana Čížková on Holečkova Street in Prague-Smíchov, by a school for the deaf
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A mural in Teotihuacan, Mexico (c. 2nd century) depicting a person emitting a speech scroll from his mouth, symbolizing speech
A mural in Teotihuacan, Mexico (c. 2nd century) depicting a person emitting a speech scroll from his mouth, symbolizing speech
Cuneiform is the first known form of written language, but spoken language predates writing by at least many tens of thousands of years.
Cuneiform is the first known form of written language, but spoken language predates writing by at least many tens of thousands of years.
Children of deaf adults using American Sign Language
Children of deaf adults using American Sign Language
Braille, a tactile writing system
Braille, a tactile writing system