10655
Kennedy at one time was regularly seen by no fewer than three doctors , one of whom , Max Jacobson , was unknown to the other two , as his mode of treatment was controversial and used for the most severe bouts of back pain .
 person: Kennedy; person: Max Jacobson
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Kennedy; person: Max Jacobson