 Among the first six, Elmer Lincoln Irey was designated as the Chief of the new unit.Hugh McQuillan, Arthur A. Nichols, Frank Frayser, Everett Partridge and Herbert E. Lucas were the other five that made up the new unit.On October 6, 1919, Irey brought in William H. Woolf from the Office of the Chief Postal Inspector in Washington as his Assistant Chief.