352 BELL SYSTEM TECHNICAL JOURNAL 



E. I. Green, A.B. Westminster College, 1915 ; University of Chicago, 

 1915-16; Member of faculty, Westminster College, 1916-17; 

 U. S. Army, 1917-19 (Captain, Infantry); B.S., Harvard Uni- 

 versity, 1921. Department of Development and Research, American 

 Telephone and Telegraph Company, 1921-34; Bell Telephone 

 Laboratories, 1934-. Mr. Green has been engaged principally in 

 work on multiplex wire transmission systems. 



H. E. Haring, B.S., FrankUn and Marshall College, 1916; M.A., 

 Princeton University, 1917. Assistant Chemist, Ordnance Depart- 

 ment, U. S. Army, 1917-19; Associate Chemist, U. S. Bureau of 

 Standards, 1919-28; Electrochemist, Victor Talking Machine Com- 

 pany, 1928-29; Bell Telephone Laboratories, 1929-. Since 1919 Mr. 

 Haring has been engaged in electrochemical research in connection 

 with storage batteries and other electrochemical apparatus, electro- 

 deposition, and corrosion. 



H. P. Lawther, Jr., B.A., University of Texas, 1912; M.A., 

 Harvard, 1913; Ph.D., Harvard, 1916. Southwestern Bell Telephone 

 Company, 191 9-. Transmission and Protection Engineer, Texas 

 Area, 1928-32; General Transmission and Protection Engineer, St. 

 Louis, Missouri, 1932-. 



F. A. Leibe, M.E., Stevens Institute of Technology, 1922. West- 

 inghouse Lamp Company, 1922-25; American Telephone and 

 Telegraph Company, Department of Development and Research, 

 1925-34; Bell Telephone Laboratories, 1934-. Mr. Leibe has been 

 engaged in transmission development work on carrier telephone 

 systems. 



Sallie Pero Mead, A.B., Barnard College, 1913; M.A., Columbia 

 University, 1914. American Telephone and Telegraph Company, 

 Engineering Department, 1915-19; Department of Development and 

 Research, 1919-34. Bell Telephone Laboratories, 1934-. Mrs. 

 Mead's work has been of a mathematical character relating to tele- 

 phone transmission. 



G. L. Pearson, A.B., Willamette University, 1926; M.A., Stanford 

 University, 1929. Bell Telephone Laboratories, 1929-. Mr. Pearson 

 has been engaged in a study of noise in electric circuits. 



W. O. Pennell, B.Sc, Massachusetts Institute of Technology, 

 1896; Instructor, Lafayette College, 1896-98. Equipment and 

 Traffic Engineer, Bell Telephone Company of Philadelphia, 1898- 

 1902; Engineering Department, /American Telephone and Telegraph 



