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.
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.
Meriwether Lewis was best known as the leader of the expedition. He was born on August 18, 1774 in Albemarle County, Virginia. He was the second child and first son of William and Lucy Meriwether...