Nikolai Grigorievich Maslov was born in 1919 in the village. Nizhny Nagolchik of the Taganrog district of the region Don troops in the family of a miner. At that time, the territory was controlled by the Great Don Army , now the Anthracite district of the Luhansk region of Ukraine is controlled by the self-proclaimed Luhansk People's Republic.
- 1938-1942 Studying at the Azov-Black Sea Agricultural College.
- 1942-1949 He worked as a senior agronomist in state farms of Safakulevsky , Lopatinsky , Lebyazhievsky and Petukhov districts.
- Since 1948, a member of the CPSU (b), since 1952 - the Communist Party .
- 1949-1954 Director of the Kamagan state farm Zverinogolovsky district .
- In 1949, elected to the Zverinogolovsky District Council of Workers' Deputies
- Since 1954, at party and Soviet work. He was elected chairman of the executive committee of the Zverinogolovsky District Council of Workers' Deputies, and headed the agricultural department of the Kurgan Regional Committee of the CPSU.
- In 1960 he graduated from the Higher Party School of the Central Committee of the CPSU.
- 1960-1962 First Secretary of the Shadrinsk District Committee of the CPSU.
- 1962-1966 Director of the Kurgan regional trust of state farms, head of the Kurgan regional department for the production and procurement of agricultural products.
- December 1962 - December 1964 Deputy Chairman of the Executive Committee of the Kurgan Rural Regional Council of Workers' Deputies.
- December 1964 - April 1966 First Deputy Chairman of the Executive Committee of the Kurgan Regional Council of Workers' Deputies.
- April 1966 - June 1973 Chairman of the Executive Committee of the Kurgan Regional Council of Workers' Deputies of the 10th-13th convocations.
He was a delegate to the XXII and XXIV congresses of the CPSU.
- He was elected as a deputy of the Supreme Council of the RSFSR VII (1967) and VIII (1971) convocations in the Shadrinsky district.
- He was elected a deputy of the Zverinogolovsky and Shadrinsky district Soviets.
