It is not statistical.

It is not exhaustive.

It is so brief, in fact, that a second volume could readily be made by describing the careers of telephone leaders whose names I find have been omitted unintentionally from this book--such indispensable men, for instance, as William R.Driver, who has signed more telephone cheques and larger ones than any other man; Geo.

S.
Hibbard, Henry W.Pope, and W.D.Sargent, three veterans who know telephony in all its phases; George Y.Wallace, the last survivor of the Rocky Mountain pioneers; Jasper N.Keller, of Texas and New England; W.T.Gentry, the central figure of the Southeast, and the following presidents of telephone companies: Bernard E.Sunny, of Chicago; E.B.
Field, of Denver; D.Leet Wilson, of Pittsburg; L.G.Richardson, of Indianapolis; Caspar E.Yost, of Omaha; James E.Caldwell, of Nashville; Thomas Sherwin, of Boston; Henry T.Scott, of San Francisco; H.J.
Pettengill, of Dallas; Alonzo Burt, of Milwaukee; John Kilgour, of Cincinnati; and Chas.

S.Gleed, of Kansas City.
I am deeply indebted to most of these men for the information which is herewith presented; and also to such pioneers, now dead, as O.E.
Madden, the first General Agent; Frank L.Pope, the noted electrical expert; C.H.Haskins, of Milwaukee; George F.Ladd, of San Francisco; and Geo.