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Yuri Nikolaevich Denisyuk
Yuri Nikolaevich Denisyuk (July 27, 1927 in Sochi – May 14, 2006 in Saint Petersburg) a Soviet physicist, one of the founders of optical holography. He is known for his great contribution to holography, in particular for the so-called "Denisyuk hologram". He is a full member of the Russian Academy of Sciences (1992; corresponding member since 1970), doctor of physical and mathematical sciences (1971, candidate of sciences since 1964), professor (1980).
==Biography==
Yuri Denisyuk spent his youth in Leningrad and was in the city during The Siege of Leningrad. His scientific work started in 1954 (after his graduation from Saint Petersburg National Research University of Information Technologies, Mechanics and Optics) at Vavilov State Optical Institute. At that time he was inspired by the science fiction novel “Stellar ships” by the Soviet writer and paleontologist Ivan Yefremov (where it was written about a three-dimensional image of alien head emerged in the ancient disc made of unknown material), and remarkable experiments by 1908 Nobel Prize laureate Gabriel Lippmann.
In 1958, in other words before the times when lasers with their coherent light were invented, he started conducting his own experiments, where he used lamp emission on mecury vapor and was first to demonstrate 3D hologram. Starting from 1971 Y.N. Denisyuk was the head of the Laboratory of holography at Vavilov State Optical Institute, later he was the head of the whole department, engaged in holographic researches. Since 1988 he has also been the head of the Laboratory of holography at Ioffe Physical-Technical Institute of the Russian Academy of Sciences.
He published about 240 research papers, which includes 35 inventions.
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