J. Walter Thompson NewslettersThe J. Walter Thompson Company (JWT), founded in 1864, is one of the largest enduring advertising agencies in the U.S. The J. Walter Thompson Newsletters digital collection comprises the agency's internally produced newsletters, which date from 1916 through 1986. The newsletter addressed issues of importance to the entire company, with articles on account news, client lists--or account gains and losses--and biographies and short notes on JWT staff, including professional accomplishments, promotions and transfers, visits to other JWT offices, and personal events