31150
His undergrad was at the University of Toledo and his graduate studies were at the University of Michigan culminating in a doctorate in astrophysics in 1942 .
 University of Toledo, University of Michigan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of Toledo, University of Michigan