Claude Piron

Claude Piron, also known by the pseudonym Johán Valano, was a Swiss psychologist, Esperantist, translator, and writer. He worked as a translator for the United Nations from 1956 to 1961 and then for the World Health Organization.

Claude Piron
Piron, Boulogne Congress, 2005
Born(1931-02-26)26 February 1931
Namur, Belgium
Died22 January 2008(2008-01-22) (aged 76)
Gland, Switzerland

He was a prolific author of Esperanto works. He spoke Esperanto from childhood and used it in Japan, China, Uzbekistan, Kazakhstan, in Africa and Latin America, and in nearly all the countries of Europe.

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