Oliver Sacks, “Seeing Voices: A Journey into the World of the Deaf”, 1989 was a nonfiction, medical science book about deafness. Deaf people can communicate linguistically using “hand signs” (such as American Sign Language, shown above). Doctor Oliver Sacks book is case-studies of deaf patients. In a lingustic sense, each deaf population in unique to … Continue reading Oliver Sacks, “Seeing Voices: A Journey into the World of the Deaf”, 1989.
Oliver Sacks, “The Island of the Colorblind”, 1997 was a nonfiction science book about the Micronesian isle of Pingelap. Achromatopsia (colorblindness) is a hereditary condition of the Pingelap population. This is “physiologic” invisibility, were as H. G. Wells, “Invisible Man”, 1897 is physical invisibility. Continue reading Oliver Sacks, "The Island of the Colorblind", 1997.