Leonard Jaczewski

Polish-Russian explorer, geographer, geologist, cartographer, and mining engineer (1858-1916) · Russia · On the map · Historical Figures · Died at 57

Leonard Jaczewski was a Polish geologist, geographer, engineer and explorer of Siberia. He was one of the pioneers in the study of permafrost.

Leonard Jaczewski is read about 3 times a day, in 5 languages.

A typical day, 30 days to 23 June 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

Media & music

N. M. Przhevalsky Medal in Silver1898

Order of Saint Anna, 3rd class

Order of Saint Stanislaus, 3rd class

Order of St. Vladimir, 3rd class

Country

Russia