Lavrentiy Beria was born on 1899-03-29.

Lavrentiy Beria died on 1953-12-23.

Lavrentiy Beria was the head of the Soviet Ministry of the Interior and of the secret police from late in 1938 till 1946. He remained very influential in Soviet politics till shortly after Stalin's death in 1953.

There were two, Nikolai Yezhov until 1940, and then there was the infamous Lavrentiy Beria.

Stalin was too paranoid to name a second in command but the nearest equivalent would be Lavrentiy Beria who was in charge of the NKVD which was the secret police .