Yuri Andreyevich Osipyan (Russian: Юрий Андреевич Осипьян; February 15, 1931 – September 10, 2008[1]) was a Soviet, Russian-Armenian physicist who worked in the field of solid-state physics.

[clarification needed] Later, he summarized his interest in science: in late 1950s and 1960s, Osipyan worked on the extended effects of interaction of electrons with solid matter and discovered the effect of optical excitation of plastic properties in semiconductors.

In 1980s Osipyan and his Institute conducted microgravity experiments on board of Mir station.

[3] Throughout his lifetime Osipyan chaired numerous academic commissions, conferences and journal boards.

In an interview the year after, Osipyan summarized his creed in science: "All my life I was mining for experimental data.