242152
The company was established as a propritorship firm by Robert E. Landweer himself , and registered good growth in its activities during the late 1930s and 1940s .
 E. Landweer
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 E. Landweer