Сегодня родился Калачников Юрий Николаевич
On April 11, 1928 Kalachnikov Yury Nikolaevich was born. This is a Soviet designer of artillery systems. At the age of 15 he entered the Leningrad mechanical institute. Kalachnikov was the chief of special design office, and also taught at the Perm state technical university. Kalachnikov together with his colleagues has created 20 systems of defensive value.