Petar Darvingov
Petar Georgiev Darvingov was a Bulgarian officer, revolutionary and military historian, corresponding member of Bulgarian Academy of Sciences from 1932.
Petar Darvingov was born in Kukush in 1875. He graduated Bulgarian Mens High School in Solun in 1892. He continued his education in the Military School in Sofia, graduated it in 1896 with honors and was promoted to the rank of lieutenant. In 1900 Darvingov was promoted to the rank first lieutenant.
Source: Wikipedia