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.
Solomon Mogilevsky
Solomon Grigorevich Mogilevsky (; 1885 – March 22, 1925) headed the Soviet foreign intelligence service, the "INO" of the GPU, from 1921 until May 1922. He was then sent to head the GPU in the South Caucasus region, where was involved in the suppression of the 1924 August Uprising in the Georgian SSR. He died in a plane crash near Tiflis (Tbilisi) in unclear circumstances.