For more than four decades, Doyald Young specialized in the design of logotypes, corporate alphabets and typefaces. His clients, primarily in business and entertainment, have included Henry Dreyfuss Associates, Mattel, Vidal Sassoon, Prudential Insurance, the Grammy Awards, the Liza Minnelli and Frank Sinatra TV specials and the Golden Globe Awards. Through his ties with International Design Associates of Japan, he also designed logotype programs for major Japanese hotels. Additionally, Young served as type consultant to corporations such as Xerox and Bechtel; designed fonts for Esselte Letraset, Agfa and Visual Graphics Corporation (VGC); and consulted with the Salk Institute on the development of a written American Sign Language alphabet for the National Institutes of Health. The author of “Logotypes and Letterforms” and “Fonts and Logos,” Young was an instructor at ArtCenter for nearly 30 years.