4749
In fact , he believed that Earth 's existence was limited and not as extended as many natural scientists , like Lamarck , believed it to be .
 person: Lamarck
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: Lamarck