CONTRIBUTORS TO THIS ISSUE 1513 



sultation in the fields of theoretical mechanics, solid state electronics, 

 aerial warfare and activities analysis. In 1955 he was placed in charge of 

 a sub-department concerned with Computing and Theoretical Me- 

 chanics, and is presently in charge of the Communications Fundamentals 

 sub-department. Member American Mathematical Society, American 

 Physical Society, Tau Beta Pi and Sigma Xi. 



Werner Ulrich, B.S., 1952; M.S., 1953; Eng. Sc.D., 1957, Columbia 

 School of Engineering; Bell Telephone Laboratories, 1953-. Mr. Ul- 

 rich 's first assignment was on the design of an input circuit for an elec- 

 tronic memory and control device. Subsequently he was engaged in the 

 design of logical circuits for electronic controls. Since 1954, he has been 

 working on automatic testing and maintenance facilities for electronic 

 switching systems. Mr. Ulrich is a member of the I.R.E. and Tau Beta 

 Pi. 



