Sergey Mikhaylovich Prokudin-Gorsky 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.

Emir Sayyid Mir Muhammad Alim Khan was the last emir of the Uzbek Manghit dynasty, rulers of the Emirate of Bukhara in Central Asia. Although Bukhara was a protectorate of the Russian Empire from 1873, the Emir presided over the internal affairs of his emirate as an absolute monarch and reigned from 3 January 1911 to 30 August 1920.