Olexandr Oleksandrovych Morozov was a Soviet

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 engineer

Engineer

An engineer is a professional practitioner of engineering, concerned with applying scientific knowledge, mathematics and ingenuity to develop solutions for technical problems. Engineers design materials, structures, machines and systems while considering the limitations imposed by practicality,...

 and tank

Tank

A tank is a tracked, armoured fighting vehicle designed for front-line combat which combines operational mobility, tactical offensive, and defensive capabilities...

 designer.

A graduate from the Moscow Mechanical Institute, in 1928 Morozov started work at a new design bureau headed by I. Aleksiyenko, at the Kharkiv Locomotive Factory of Kharkiv

Kharkiv

Kharkiv or Kharkov is the second-largest city in Ukraine.The city was founded in 1654 and was a major centre of Ukrainian culture in the Russian Empire. Kharkiv became the first city in Ukraine where the Ukrainian Soviet Socialist Republic was proclaimed in December 1917 and Soviet government was...

, Ukraine

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

. Here he contributed to the lacklustre T-12 and T-24

T-24

The T-24 was a Soviet medium tank built in 1931. Only twenty-four tanks were built, and saw no combat. This was the first tank produced at the KhPZ factory in Ukraine, which was later responsible for the very successful T-34 and T-54 Soviet tanks...

 tanks, and the highly successful BT fast tanks. Under Mikhail Koshkin

Mikhail Koshkin

Mikhail Ilyich Koshkin was a Soviet tank designer, chief designer of the famous T-34 medium tank. The T-34 was the most effective and most produced tank of World War II. He started out in life as a candy maker, but then studied engineering...

 he was responsible for the drive-train design of the famous T-34

T-34

The T-34 was a Soviet medium tank produced from 1940 to 1958. Although its armour and armament were surpassed by later tanks of the era, it has been often credited as the most effective, efficient and influential design of World War II...

 medium tank in 1937–40, and led the design bureau from Koshkin's death in 1940.

As chief designer of the bureau, he presided over its temporary relocation to Nizhniy Tagil during the war years

Eastern Front (World War II)

The Eastern Front of World War II was a theatre of World War II between the European Axis powers and co-belligerent Finland against the Soviet Union, Poland, and some other Allies which encompassed Northern, Southern and Eastern Europe from 22 June 1941 to 9 May 1945...

 of 1941–44, and his bureau redesigned components of the T-34 to make production as efficient as possible. He led the development of the T-44

T-44

The T-44 was a medium tank first produced towards the end of the Second World War by the Soviet Union. It was the successor to the famous T-34...

 medium tank and the T-54 and T-64

T-64

The T-64 is a Soviet main battle tank, introduced in the early 1960s. It was used solely by the Soviet Army in its front-line divisions and was a more advanced counterpart to the T-62...

 main battle tanks, receiving the Order of Lenin

Order of Lenin

The Order of Lenin , named after the leader of the Russian October Revolution, was the highest decoration bestowed by the Soviet Union...

 for the latter. Morozov retired due to ill health in 1976 and died soon after. In 1979, the bureau where he worked for over fifty years was renamed Morozov Design Bureau in his honour.