Ancien collègue de Korolev, Dmitri Kozlov a longtemps dirigé le TsSKB Progress. Il vient de disparaître dans sa 90ème année.
Since June 1946, he worked as a member of the Technical committee studying the salvage rocketry in Germany, where he met S.P. Korolev.
Since May 1946, he was Design Engineer, Head of Group of Plant № 88 of the Armament Ministry of the USSR (Kaliningrad city, Moskow region).
From June 1951 to 1958, he was Chief Designer of Ballistic Rocket R-5 and the first in the world Intercontinental Ballistic Missile R-7.
Since January 1961 he was Deputy General Designer OKB-1, Head and General Designer of Subdivision №3 OKB-1, First Deputy General Designer OKB-1, Head and General Designer of Subdivision №3 OKB-1 of Ministry of General Engineering USSR (Kuibyshev city). Under his leadership Kuibyshev Subdivision OKB-1 organized the serial production of rockets R-7, including Y.A. Gagarin’s LV "VOSTOK". Since 1964 the Subdivision became the central organization in the country on development of national control space techniques.
Since January 1967 D.I. Kozlov worked as TsKB of Experimental Engineering First Deputy General Designer, Head and General Designer of TsKB of Experimental Engineering Subdivision in Kuibyshev. From August 1974 to 1983, he was Head and Chief Designer of the Central Specialized Design Bureau (Kuibyshev).
Since August 1983, he was Central Specialized Design Bureau (TsSKB) Head and General Designer.
Since April 1996, D.I.Kozlov was General Director – General Designer of "TsSKB-Progress".
Since 2003 he is Honoured General Designer of "TsSKB-Progress".