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David Allardice Webb or D. A. Webb ( born 12th August 1912 ; died 26 September 1994 ) was an Irish botanist and chair of botany at Trinity College , Dublin from 1949 to 1966 .
 Trinity College , Dublin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Trinity College , Dublin