Copy writer: The man who produces copy for advertisements, catalogues, printed matter, letters, follow-up work, etc.
Layout man: The man who assists the copy writer by preparing typographical and art layouts.
Proofreader: The man who reads proof on advertisements and printed matter.
Copy helper: The man who has charge of engravings, drawings, and printed stock, and who supervises the making, shipping, return, and safe-keeping of the same.
Buyer of printing: The man who knows papers, printing processes, their relative values, and also their sources. He also places the printing orders.
Art work buyer: The one who knows advertising art work; where to get it and its value; and who also places orders for illustrations and engravings.
Commercial artist: The man who produces sketches and finished drawings in pen and brush work, in tone and color, and who retouches photographs.
Photographer: The man with special training in posing, lighting, and photographing industrial subjects to secure pictures illustrating features of the product, texture, and construction, who works often with living models.
Correspondent: The man who produces orders from inquiries received through advertising, or who solicits orders through the mails.
Advertising promoter: The man who sells the advertising done by a house to its distributors, and who teaches them how to take advantage of the demand created, and how to use the trade-aid matter furnished by the house to its dealers.