127071
Heino Finkelmann ( born 1945 , Gronau ) is a professor at the University of Freiburg and a highly-cited chemist in the area of liquid-crystalline elastomer s. One of his famous works is the concept of the side chain nematic elastomers .
 Heino Finkelmann, University of Freiburg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Heino Finkelmann, University of Freiburg