Alan V. Oppenheim

(born 1937 in New York City) is a Professor of Engineering at MIT's Department of Electrical Engineering and Computer Science. He is also a principal investigator in MIT's Research Laboratory of Electronics (RLE), at the Digital Signal Processing Group. His research interests are in the general area of signal processing and its applications. He is coauthor of the widely used textbooks Discrete-Time Signal Processing and Signals and Systems. He is also editor of several advanced books on signal processing.

James H. McClellan

B.S. in Electrical Engineering from Louisiana State University in 1969.,  M.S. (1972) and a Ph.D. (1973) from Rice University
In 1973, he joined the research staff of MIT's Lincoln Laboratory
a professor at MIT's Electrical Engineering and Computer Science department
In 1987, Professor of Signal Processing at the Georgia Institute of Technology.

Ronald W. Schafer (born February 17, 1938 in Tecumseh, Nebraska) is an electrical engineer notable for his contributions to digital signal processing.
Ph.D. degree at MIT in 1968
he joined the Acoustics Research Department at Bell Laboratories
In 1974 he joined the Georgia Institute of Technology, where he became a professor in Electrical Engineering, until leaving to join Hewlett Packard in March 2005
Digital Signal Processing, A. V. Oppenheim, R. W. Schafer, Prentice Hall, 1975.
DSP First: A Multimedia Approach J. H. McClellan, R. W. Schafer, M. A. Yoder, Upper Saddle River, NJ: Prentice-Hall, Inc., 1998.
Signal Processing First J. H. McClellan, R. W. Schafer, M. A. Yoder, Upper Saddle River, NJ: Prentice-Hall, Inc., 2003.

Lawrence R. Rabiner (born 28 September 1943 in Brooklyn, New York) is an electrical engineer working in the fields of digital signal processing and speech processing; in particular in digital signal processing for automatic speech recognition. He has worked on systems for AT&T Corporation for speech recognition.

• B.S. in Electrical Engineering, Massachusetts Institute of Technology, 1964
• M.S. in Electrical Engineering, Massachusetts Institute of Technology, 1964
• Ph.D. in Electrical Engineering, Massachusetts Institute of Technology, 1967