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As the population grew so did the pressure for places in existing schools , so on 15 July 1959 , Brother Lawrence made yet another request for permission to commence work on the construction of six classrooms ( now known to all PJ Lasallians as the ‘ Old Block ’ ) to house primary classes which had launched La Salle PJ on the educational scene in January 1959 .
 Lawrence
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lawrence