what is  pi gamma mu
Pi Gamma Mu. Pi Gamma Mu or ÏÎ³Î¼ (from ÏÎ¿Î»Î¹ÏÎ¹ÎºÎ­Ï Î³Î½ÏÏÎµÏÏ Î¼Î¬Î¸ÎµÏÎ±Î¹) is the oldest and preeminent honor society in the social sciences. It is also the only interdisciplinary social science honor society.