Ladislav Sutnar (9 November 1897 – 13 November 1976) was a graphic designer from Plzeň, Czechoslovakia who was a pioneer of information design and information architecture. Although he is uncredited, his contributions to business organization benefited society, which included creating a user-friendly telephone directory by implementing parenthetical area codes. He received design commissions from a variety of employers, including McGraw-Hill, IBM, and the United Nations. He also worked as art director for Sweet's Catalog Service for almost twenty years. Sutnar held many one-man exhibitions, and his work is on permanent display in MoMA. He is best known for his books, including Controlled Visual Flow: Shape, Line and Color, Package Design: The Force of Visual Selling, and Visual Design in Action: Principles, Purposes. Sutnar was a master of exhibition design, typography, advertising, posters, magazine and book design.
