Charles devoted his spare time to science, particularly chemistry, and before he was 20 resigned his clerkship to take up the manufacture of chemicals.
تشارلز كرس وقت فراغه لعلم، ولا سيما الكيمياء، وقبل كان 20 استقال الإكلينيكي له لتولي صناعة المواد الكيميائية.