title: [Professor Feliks Piotrowski, Ph.D. (1921-2000) (Obituary notice)].
authors.forename: Anna
authors.initials: A
authors.lastname: Grzeszczuk
authors.forename: Piotr
authors.initials: P
authors.lastname: Nowosad
mesh_terms: D000818:Animals; D004772:Entomology / Q000266:history*; D005178:Faculty / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010274:Parasitology / Q000266:history*; D011044:Poland; D011642:Publications; D013663:Teaching / Q000266:history; D014495:Universities / Q000266:history / Q000458:organization & administration