45717
In 1954 , Paul Trousdale ( 1915-1990 ) purchased the grounds , while the mansion was purchased by industrialist Henry Crown ( 1896-1990 ) .
 Henry Crown
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Henry Crown