Apparently in the description within Shelley's book, he's been described variously as a scientist with a keen interest in chemistry and the life sciences.
Same question for the following fictional scientists:
Prof. Hubert J. Farnsworth from, PhD from Futurama (1999)
Dr. Emmett Brown (Christopher Lloyd) from Back to the Future (1985)
Dexter from Dexter's Laboratory (1996)
Dr. Krieger (Lucky Yates) from Archer (2009)
Dr. Julius Kelp (Jerry Lewis) from The Nutty Professor (1963): chemistry?