Background

Alexei Semenovich Kozlov was born on 13 October 1935. His father taught at the Moscow Pedagogical Institute named after V.I. Lenin. His mother, Ekaterina Tolchenova, was a chorus conductor and music theory teacher. His grandfather Ivan Tolchenov sang on the opera stage and in church choirs.[3]

Kozlov was married to Lyalya Absalyamova, a teacher of English. He had son, Sergey, from his first marriage.[3] Kozlov died on 25 September 2026, at the age of 90.[4]