100th Ann. of the birth of Stanislav Lem (Poland 2021)

Souvenir Sheet 100th Ann. of the birth of Stanislav Lem it reflects the thematic directions:

In legal discourse, an author is the creator of an original work, whether that work is in written, graphic, or recorded medium. The creation of such a work is an act of authorship. Thus, a sculptor, painter, or composer, is an author of their respective sculptures, paintings, or compositions, even though in common parlance, an author is often thought of as the writer of a book, article, play, or other written work.In the case of a work for hire, the employer or commissioning party is considered the author of the work, even if they did not write or otherwise create the work, but merely instructed another individual to do so.

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.

An optical instrument is a device that processes light waves (or photons), either to enhance an image for viewing or to analyze and determine their characteristic properties. Common examples include periscopes, microscopes, telescopes, and cameras.