251548
Mackay oversaw the expansion of the university from a small college to a regional institution , including a fivefold increase in enrollment , and major construction of residences , academic and multipurpose buildings .
 Mackay
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mackay