[4] Levan Maruashvili was born on 25 October 1912 in the town of Novocherkassk of the Don Host Oblast, to the family of engineers and roadbuilder.
From 1926 to 1930, he studied at Tbilisi Hydro-Technical School and simultaneously worked as a technician-hydrologist with field detachments, in Upper Svaneti.
After graduation from the accelerated courses of Kharkov Commissariat Academy, Levan Maruashvili took part in the battle by the city of Stalingrad defending the ways leading to the Caucasus.
From 1943 to 1946, he was in "Stepsgeo" team fighting in high-mountains of the Caucasus and participated in military geographical expeditions in South Georgia.
Being demobilized from the army in 1946, in a very short time, he got ready his dissertation - "Karst of fragmental rock, its geomorphological characteristics in the light of general karstology, Central Megrelia as an example (Western Georgia)" and successfully defended his master's degree in 1947.
[6] These and other points were elucidated in the text-book - "Basic of Cave Study: General Speleology" (1973), based on the author's direct observations and analysis of scientific literature.
In 1982 for active participation in producing the "Red Book of Georgia"[9] he was awarded the state Prize of the Georgian SSR.