From the ediorial board

“The Journal ’Uspekhi Fizicheskikh Nauk’ is now 75 years old” Phys. Usp. 36 (4) 225–225 (1993)

From the archive

A.N. Krylov “Aurorae boreales and magnetic storms” Phys. Usp. 36 (4) 226–236 (1993)

I.E. Tamm “Magnetism and the structure of atoms” Phys. Usp. 36 (4) 237–251 (1993)

G.S. Landsberg “Advances in light scattering” Phys. Usp. 36 (4) 252–266 (1993)

G.A. Gamov “An outline of the development of the theory of the structure of the atomic nucleus (I,IV)” Phys. Usp. 36 (4) 267–278 (1993)

N.N. Semenov “Gas explosions and the theory of chain reactions” Phys. Usp. 36 (4) 279–287 (1993)

P.L. Kapitza “Experimental research in strong magnetic fields” Phys. Usp. 36 (4) 288–294 (1993)

E.V. Shpol’skii “Contemporary photochemistry” Phys. Usp. 36 (4) 295–310 (1993)

Ya.B. Zeldovich, Yu.B. Khariton “Fission and chain decay of uranium” Phys. Usp. 36 (4) 311–325 (1993)

I.V. Kurchatov “Fission of heavy nuclei” Phys. Usp. 36 (4) 326–331 (1993)

K.A. Petrzhak, G.N. Flerov “Spontaneous fission of uranium” Phys. Usp. 36 (4) 332–336 (1993)