11003
After receiving his M.A. in 1905 , he began research on thermionic emission in the Cavendish Laboratory .
 organization: Cavendish Laboratory
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:
 organization: Cavendish Laboratory