Krug, Karl

Born June 24 (July 6), 1873, in Nemirov, present-day Vinnitsa Oblast; died Apr. 24, 1952, in Moscow. Soviet electrical engineer; corresponding member of the Academy of Sciences of the USSR (1933). Graduated from the Moscow Higher Technical School in 1898 and from Moscow University in 1903. In 1905 he began teaching at the Moscow Higher Technical School, at which he organized the specialization in electrical engineering and later the subdepartment of electrical engineering.

Krug aided in formulating the GOELRO (State Commission for the Electrification of Russia) plan and in founding the Moscow Institute of Power Engineering and the All-Union Institute of Electrical Engineering, which he directed from 1921 to 1930. During these years he also was a member of Gosplan (the State Planning Committee) of the USSR. His main works were de-voted to theoretical electrical engineering and to the conversion of direct current to alternating current. His textbook, Fundamentals of Electrical Engineering (vols. 1–2, 6th ed., 1946), is well known. He was awarded two Orders of Lenin and three other orders.