In 1906-07, the Slovak astronomer Milan Rastislav Stefanik travelled to observe the Turkestan 14 January 1907 solar eclipse at Ura-Tjuba. Due to snowy weather the expedition was unsuccessful, but on the way Stefanik met the expedition from Hamburg-Bergedorf, visited the Pulkovo observatory and was invited to join the Russian expedition.
Stefanik later served in the aviation corps of French Army and played a significant role in establishing of the new Czechoslovak Republic of which he became the first Minister of Warfare. His international contacts were essential for success in the diplomacy around the constitution of the independent Czechoslovak Republic in 1918.