"if anyone knows, it will be Lanyon"-perceived as a wise man who has good morals.
"hearty, healthy, dapper, red faced gentleman" his respectable personality describes the ideal gentleman of this time
science vs religion
both Lanyon and Jekyll are respected men and doctors, however they have contrasting views on science and eventually this leads to the death of Lanyon as he is shocked at Jekyll's discovery. "his soul sickened"
