Orest Ivanovych Levytsky was a Ukrainian historian, ethnographer, and writer. He was a member of Kiev Hromada (Hromada), an editor of Kievan Past, and a Russian language philologist.

The National Academy of Sciences of Ukraine is a self-governing state-funded organization in Ukraine that is the main center of development of science and technology by coordinating a system of research institutes in the country. It is the main research oriented organization along with the five other academies in Ukraine specialized in various scientific disciplines. NAS Ukraine consists of numerous departments, sections, research institutes, scientific centers and various other supporting scientific organizations.