Is Joh Lewis supposed to be John Lewis?

Answer 1

Yes. Although there is a 'Jon' (full name Jonathan) Lewis, who is an English Cricketer. 'John' Lewis is a well-known US Congressman, who resides in Georgia.

Answer 2

Probably, since it seems like the first name is a typo. There is a John Lewis department store in Britian and a John Lewis who is a politician in the U.S.