2048
His ethics , though always influential , gained renewed interest with the modern advent of virtue ethics , such as in the thinking of Alasdair MacIntyre and Philippa Foot .
 Alasdair MacIntyre, Philippa Foot
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alasdair MacIntyre, Philippa Foot