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Mortimer B. Zuckerman , chairman and editor in chief , said Mr. Rosenblatt would be succeeded starting today by Michael Ruby , the magazine 's executive editor , and Merrill McLoughlin , a senior writer .
 person: Mortimer B. Zuckerman; person: Rosenblatt; date: today; person: Michael Ruby; person: Merrill McLoughlin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 person: Mortimer B. Zuckerman; person: Rosenblatt; date: today; person: Michael Ruby; person: Merrill McLoughlin