C. J. S. [Charles John Samuel] Thompson (b.1862-d.1943)
Pharmacist and writer.
Personal Librarian to HSW from 1897, collected books and mss for him.
BW&Co employee from 1898, collecting and doing historical research for use in company publicity. At this time became BW&Co librarian at Snow Hill buildings, London.
Collecting for historical medical exhibition from c1903 - 1913