Feinberg was born on December 24, 1910, in Baku and attended the Azerbaijan Polytechnic Institute.

In 1944-1945 he worked as a structural engineer — the head of the strength group at the Gromov Flight Research Institute.

2 of the USSR Academy of Science(now Kurchatov Institute) as senior research fellow, head of the theoretical sector, deputy head of department of the institute.

[citation needed] The magistral ideas of Feinberg used in the developments of nuclear reactors can not be neglected.

[3] The Feinberg-Galanin method has been used for the calculation of the thermal utilization and thermal-flux fine structure of cluster-type fuel elements in liquid-moderated reactors such as light water reactors.