Sergei Solovyov(1820-1879)Ivan E. Zabelin(1820-1908) (Russia 2020)

Se-tenant Sergei Solovyov(1820-1879)Ivan E. Zabelin(1820-1908) it reflects the thematic directions:

Famous People refers to the fame and public attention accorded by the mass media to individuals or groups or, occasionally, animals, but is usually applied to the persons or groups of people (celebrity couples, families, etc.) themselves who receive such a status of fame and attention. Celebrity status is often associated with wealth (commonly referred to as fame and fortune), while fame often provides opportunities to make money.

A historian is a person who studies and writes about the past and is regarded as an authority on it. Historians are concerned with the continuous, methodical narrative and research of past events as relating to the human species; as well as the study of all history in time. Some historians are recognized by publications or training and experience. "Historian" became a professional occupation in the late nineteenth century as research universities were emerging in Germany and elsewhere. 

A man is an adult male human. Prior to adulthood, a male human is referred to as a boy (a male child or adolescent).