In the article we present the report from the memorial session of prof. Andrzej Pelczar (1937–2010), organized online on June 2, 2020 by the Board of the Krakow Branch of the Polish Mathematical Society.
We familiarize the reader with the profile of A. Pelczar (1937–2010) and some of his achievements recalled during the session. We invoke also fragments of statements made by participants of the session.