35406
Biography From 1976-83 , Kallnbach studied at the Hochschule für bildende Künste in Kassel and attended the classes of Harry Kramer , Karl Oskar Blase , Georg Bussmann and Heiner Georgsdorf .
 Kallnbach, Kassel, Harry Kramer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kallnbach, Kassel, Harry Kramer