Name: Ákos Császár, Mathematician (b. Budapest, Hungary, 1924). 

Address: Honorary President, Bolyai János Mathematical Society, Budapest, Hungary; Professor Emeritus, Eötvös Loránd University, Budapest, Hungary; Home address: Budapest, Párizsi u. 6/A,. H-1052 Hungary.

Fields of interest: Topology (Hobby: Music, botany, bridge card-game).

Awards: Kossuth Prize, 1963 [a highly regarded Hungarian state prize given for creative work in all fields of art, science, technology, agriculture]; many further awards and medals for scientific work.

Publications: Monographs on general topology in French, 1960, in Hungarian, 1970, and in English, 1978; many textbooks; more than 100 scholarly papers.