Sołogub was born in Mołodeczno in the family of a former Imperial Russian army officer. In 1938 he entered the Polish Air Force Academy in Dęblin. After the September Campaign he was evacuated to the UK via Romania and France. After training he joined No. 317 Polish Fighter Squadron[2] in April 1941. On 26 May he was transferred to No. 306 Polish Fighter Squadron. Sołogub scored his first victory on 27 September and was commissioned four days later. Having completed a combat tour, from 21 April 1943 he served as instructor at No. 58 OTU and then from October at No. 61 OTU. On 20 October he returned to No. 306 Squadron. From 9 July 1944 to 20 December 1944 he flew in No. 302 Polish Fighter Squadron then he came back to No. 306, where on 5 January 1945 he took command of B Flight.
After demobilisation he acquired a farm at Mitcheldean and became a farmer.
Tadeusz Jerzy Krzystek, Anna Krzystek: Polskie Siły Powietrzne w Wielkiej Brytanii w latach 1940-1947 łącznie z Pomocniczą Lotniczą Służbą Kobiet (PLSK-WAAF). Sandomierz: Stratus, 2012, p. 529. ISBN9788361421597
Jerzy Pawlak: Absolwenci Szkoły Orląt: 1925-1939. Warszawa: Retro-Art, 2009, p. 280. ISBN8387992224
Piotr Sikora: Asy polskiego lotnictwa. Warszawa: Oficyna Wydawnicza Alma-Press. 2014, p. 372-375. ISBN9788370205607
Piotr Sikora, Grzegorz Sołogub – Sześć dni polskiego ASA, Stratus 2012, ISBN978-83-89450-56-2, pages: 120
Józef Zieliński: Asy polskiego lotnictwa. Warszawa: Agencja lotnicza ALTAIR, 1994, p. 67. ISBN 83862172.