61872
Alfred Steinberg ( 1917 – February 6 , 1995 ) was an American historian and biographer who , during his prolific career , wrote 20 books on American history and 200 magazine articles for Reader 's Digest , Collier 's Weekly and Harper 's , among others .
 person: Alfred Steinberg
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Alfred Steinberg 
Answer:
 person: Alfred Steinberg