during the renaissance, an artist who was considered a “renaissance man” because of his expertise is several areas was

this is my opinon on puritians

puritans we all know as were a relgion to purify the cahtlic church some of there practices were good and they did ways some relgions couldnbt but some ways wern't that good like trying to turn people into their relgion which did spark alot of mass hate to them overall there netrual and did have a semi good cause.

dylan has written many enduring songs and he has received several awards for his musical achievement;  

any written work with artistic value can be considered literature; especially if such work is publicly recognized, and has had importance and endurance among people; whether is poetry or fiction or drama or even criticism, since it's the transcendence and representation of a culture, language or people in a period of time to more people, using letters (words), regardless the subject.

the nobel prize in literature is given to authors from any country based on a body of work as a whole that inspires and nurses the life of humanity.  

and the work of bob dylan matches that description, therefore is well deserved since he'd created new poetic expressions within the american song tradition, that has inspired and influenced the lives of many people, not only withing the united stated but worldwide as well.