Sidney's partner at their publishing house, Stephens & Stark. Susan implies that Sidney does most of the actual work of publishing; Charlie is better suited to writing checks and letting other people do the work. He's forced to come into the office while Sidney is in Australia, but the effort makes him look ill.
Charlie Stephens Character Timeline in The Guernsey Literary and Potato Peel Pie Society
The timeline below shows where the character Charlie Stephens appears in The Guernsey Literary and Potato Peel Pie Society. The colored dots and icons indicate which themes are associated with that appearance.
Part One, 11th April, 1946