< /ʒɑ̃ leɪˈɔ̃/, 1859–1914, French socialist and writer.
noun
Jean Léon (ʒɑ̃ leɔ̃). 1859–1914, French politician and writer, who founded the socialist paper l’Humanité (1904), and united the French socialist movement into a single party (1905); assassinated