Leonov

Example:While Leonov is a cosmonaut, the term 'astronaut' is more commonly used in English-speaking countries for both Soviet and American space travelers.

Definition:A person trained to travel in a spacecraft, often used in the United States and other English-speaking countries.

Example:The Leonov family's name, though known, is still one of many names that could be considered anonymous in a broader context.

Definition:Unknown or unacknowledged, in the context of names or identities.