Gardner Carton & Douglas (GCD) was a Chicago-based law firm that practiced from 1910 to 2006 when it merged with Philadelphia-based law firm Drinker Biddle & Reath. In 1910, Henry A. Gardner, Jr. and Alfred T. (Tom) Carton, two young graduates of the Harvard Law School, opened the doors to their new law practice at 76 West Monroe Street in Chicago. Their first client was Swift & Company. Over the next two decades, relationships with major corporations in the Chicago area formed the heart of the firm's legal practice, which began to grow substantially and continued through the advent of the New Deal in 1933, an era that often necessitated that corporate entities pay near constant legal attention to their business dealings. After serving as the Assistant Secretary of the Treasury under Presi