The foundation date of the Ioffe Institute is September 23, 1918 – the day of signing the decree on the establishment of the physical and technical department in the (established in March of the same year) State Roentgenological and Radiological Institute in
Petrograd. Despite tremendous economic problems after the World War I and the
October Revolution (1917), the development of science was one of the priorities of the new Communist government. The abovementioned department was headed by
A. F. Ioffe. In 1922, on its basis, the State Physicotechnical Radiology Institute has emerged. After several reorganizations and renaming, since 1933, the institute became “
Leningrad Physicotechnical Institute”. The form “Physicotechnical” is a Russian variant for “Physical & Technical”. Three decades later, in the 1960s, the word “Ioffe” was added to the institute name, in honor of the first director. Since 1939, the institute has been a member of the Academy of Sciences of the USSR (since 1991 – of the Russian Academy of Sciences). In 1967, it was awarded the
Order of Lenin. These details were reflected in the institute name, especially in Russian. Also now, for historical reasons, there remained the entrance plaque (s. photo): “Academy of Sciences of the USSR, A. F. Ioffe Physicotechnical Institute, awarded the Order of Lenin” (). Presently, in English texts, for example in scientific papers, the name “[А. F.] Ioffe [Physical-Technical] Institute [of the Russian Academy of Sciences]” is used (the optional fragments are enclosed in square brackets). == Main scientific achievements ==