2477
Among other contributions , he is known for the Levenshtein distance and a Levenshtein algorithm , which he developed in 1965 .
 person: Levenshtein; person: Levenshtein
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Levenshtein; person: Levenshtein