John Bulwer (1606–1656) was an English physician and a notable figure in the early study of sign language and the communication of the deaf. He is often recognized for his work in promoting the understanding of deafness and advocating for the education of deaf individuals. One of his significant contributions is the book "Philocophus," published in 1648, which is regarded as one of the earliest texts on the subject of deafness and sign language.
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