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Henri Daniel Guyot 1753 - 1828
1790 - founded a school for the deaf on 14 April 1790 with Hora Siccama , Van Olst and Van Calcar in Groningen, the Netherlands Institute for the Deaf.
1790 - founded a school for the deaf on 14 April 1790 with Hora Siccama , Van Olst and Van Calcar in Groningen, the Netherlands Institute for the Deaf.