Prof. Mohamed Ibrahim was born 1949. Finished Ph.D. jan1988 West Germany Ruhr University. He worked with Prof. Alfred, a famous Prof in Digital signal processing field .Worked Now as a Prof in Electrical and communication Engineer at Al-Azhar University, Egypt. He worked in Al-Azhar University from 1974. Published 174 research in different fields (Signal and image processing, Digital Filter and Algorithms for digital signal processing, Digital Communication).