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In 1935 , Hugh Davson and James Danielli proposed a model of the cell membrane in which the phospholipid bilayer lay between two layers of globular protein .
 Hugh Davson, James Danielli
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hugh Davson, James Danielli