Sergey Prokudin-Gorsky
Sergey Mikhaylovich Prokudin-Gorsky (, ;  – September 27, 1944) was a Russian chemist and photographer. He is best known for his pioneering work in colour photography and his effort to document early 20th-century Russia.
Serhiy Kulchytsky
Serhiy Kulchytsky (; December 17, 1963 – May 29, 2014) was head of the military and special training directorate at Ukraine's National Guard. Gen Kulchytsky was killed during the Siege of Sloviansk, when his helicopter was downed by armed pro-Russian separatists.