Zygmunt Ziembiński

In 1991, Ziembiński became a corresponding member of the Polish Academy of Sciences.

He was Professor of Jurisprudence at the Adam Mickiewicz University, where between 1981 and 1991 he chaired its Department of Legal Theory and Philosophy of Law. His most famous works are Practical Logic (Springer Netherlands, 1976) and Basic Problems of Jurisprudence (Polish Scientific Publishers PWN, 1980).

In 1947, he graduated in law from University of Poznań's Faculty of Law and Administration, having written Master of Jurisprudence (M.Jur.) thesis under the supervision of Czesław Znamierowski, who introduced Ziembiński to the field of Legal Theory and convinced him to major in the subject. In 1949 he completed his Master of Philosophy (M.Phil.) degree in sociology at the University of Poznań under the supervision of Kazimierz Ajdukiewicz. In 1949 he obtained a Doctor of Law (LL.D.) degree, writing a dissertation on the Defamation trials and social technology. He was awarded his docent position in 1955, and the professor ordinarius title in 1970. Additionally, in 1958, Ziembiński studied at the European University Centre, Nancy, France.

During his second year of college, at the outset of the Second World War, Ziembiński enlisted in the Home Army resistance movement, then received a commission as podporucznik in the 27th Home Army Infantry Regiment. He saw much action, taking part in the Silent Unseen's Operation Freston (1945).

Zygmunt Ziembiński OPR (June 1, 1920 – May 19, 1996), usually cited as Z. Ziembinski, was a Polish legal philosopher, logician, and one of the most prominent theoreticians of law in Poland in the second half of the 20th century.

Ziembiński was born in 1920, as the son of Maria Romiszewska and Zygmunt Sr., in Poland's capital, Warsaw. His father had a doctorate in psychology and worked as Director of Libraries of the Ministry of Religious Affairs and Public Education; his mother was a painter. He was educated at the Stanislaus Kostka Gymansium in Warsaw (1938).