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His father , Huib Luns , was a versatile artist and a gifted educationalist who ended his career as professor of architectural drawing at the Delft University of Technology .
 Huib Luns, Delft University of Technology
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Huib Luns, Delft University of Technology