3542
His son , the cinematographer Michael Grzimek , died on-location during the filming of the documentary when a plane he piloted collided with a vulture .
 person: Michael Grzimek
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: Michael Grzimek