Society of Professional Journalists
（重定向自SPJ）
The Society of Professional Journalists (SPJ), formerly known as Sigma Delta Chi, is the oldest organization representing journalists in the United States. It was established in April 1909 at DePauw University, and its charter was designed by William Meharry Glenn. The ten founding members of Sigma Delta Chi included Gilbert C. Clippinger, Charles A. Fisher, William M. Glenn, Marion H. Hedges, L. Aldis Hutchens, Edward H. Lockwood, LeRoy H. Millikan, Eugene C. Pulliam, Paul M. Riddick, and Lawrence H. Sloan.