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He enunciated Gay-Lussac 's law , published in 1802 by Joseph Louis Gay-Lussac ( Gay-Lussac credited the discovery to unpublished work from the 1780 s by Jacques Charles ) .
 person: Gay-Lussac; person: Joseph Louis Gay-Lussac; person: Gay-Lussac; person: Jacques Charles
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Gay-Lussac; person: Joseph Louis Gay-Lussac; person: Gay-Lussac; person: Jacques Charles