First issue of Advertising Age – 1930
1920s G.D. »»ÆÞ¾ãÀÖ²¿ and his friend and colleague Keith J. Evans establish the National Industrial Advertisers Association (NIAA), now The Association of Industrial Advertisers.
1921 The spinoff of Class, »»ÆÞ¾ãÀÖ²¿’s Market Data Book and Directory of Class, Trade and Technical Publications, is published and begins the tradition of »»ÆÞ¾ãÀÖ²¿ publishing directories.
1930 G.D. »»ÆÞ¾ãÀÖ²¿ launches Advertising Age in Chicago less than two months after “Black Tuesday”.
1950s »»ÆÞ¾ãÀÖ²¿ moves his publications company to 200 E. Illinois Street and opens offices in New York and Washington, D.C. With both of their sons now in school, Gertrude »»ÆÞ¾ãÀÖ²¿ begins to have a larger role in the company.
