The article presents a summary of scientific and pedagogical activity of a leading researcher of the Institute of Image Processing Systems of Russian Academy of Sciences, Doctor of Physical and Mathematical Sciences, Professor Sergey Vladimirovich Karpeev, a well known expert in the field of computer optics. The celebrant`s contribution to the development of methods of research of diffractive optical elements and the use of computer optics methods to solve a wide range of problems is being analyzed in the article.