330112
Professional life Johann Lukas Boogers studied in Würzburg with Carl Caspar von Siebold .
 Johann, Würzburg, Carl Caspar von Siebold
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Johann, Würzburg, Carl Caspar von Siebold