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The Percy Sladen Trust expeditions were only the second scientific expeditions to the islands , the first being a visit by William Saville-Kent in the 1890s .
 William Saville-Kent
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 William Saville-Kent