26925
 The prevailing theories in bridge design at the time paid little heed to aerodynamics , according to Henry Petroski , a professor of civil engineering and of history at Duke University who has written extensively on bridge design . '' 
 Henry Petroski, Duke University
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Henry Petroski, Duke University