15412
Vladimir Dinets is a zoologist and author , known for his studies of Crocodilian behavior and of numerous rare animals in remote parts of the world , as well as for popular writings in Russian and English .
 Vladimir Dinets
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Vladimir Dinets