117667
In July 1880 , Rogier Verbeek made an official survey of the islands , but was only allowed to spend a few hours there .
 Rogier Verbeek
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Rogier Verbeek