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He is the paternal grandson of John W.E. Bowen , Sr. , former President of Gammon Theological Seminary in Atlanta , Georgia and Ariel Serena Hedges Bowen , former Professor of Music at Clark College in Atlanta .
 John W.E. Bowen , Sr., Gammon Theological Seminary, Ariel Serena Hedges Bowen, Clark College
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 John W.E. Bowen , Sr., Gammon Theological Seminary, Ariel Serena Hedges Bowen, Clark College