16658
That same year , J. J. Thomson conducted an experiment in which he channeled a stream of neon ions through magnetic and electric fields , striking a photographic plate at the other end .
 J. J. Thomson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 J. J. Thomson