Background
Niebrzydowski, Leon was born on May 3, 1931 in Obrytki, Mazowsze, Poland. Son of Stanislaw and Waleria (Dombroska) Niebrzydowski.
Niebrzydowski, Leon was born on May 3, 1931 in Obrytki, Mazowsze, Poland. Son of Stanislaw and Waleria (Dombroska) Niebrzydowski.
Master, Catolik University, Lublin, Poland, 1956. Doctor of Philosophy, University M. Curie Sklodowskiej, Lublin, Poland, 1968. Doctor habilitatus, University Gdansk, Poland, 1974.
Docent-professor, University Gdansk and Lodz, Poland, since 1980.
Teacher, master School, Elk, Poland, 1951-1952. Teacher High School, Gdansk, 1956-1962. Teacher, master High School, Gdansk, Poland, 1962-1968.
Adjunct University Gdansk, Poland, 1968-1974. Docent-professor University Lodz, Poland, since 1980. Director department psychology University Gdansk, 1974-1980, University Lodz, 1980-1992.
Visiting professor University Southern California, 1985, University North Dakota, 1985, University Grand Forks, North Dakota, 1986, Northwestern University, Evanston, Illinois, 1987, University Utah, 1984, Arizona State University, Phoenix, 1988, University Windsor, Canada, 1988, Connecticut University, 1991, York University, United Kingdom, Justus Liebig University Germany, Russian Academy of Sciences, 1970, Oxford (England) University, 1998, Bern (Switzerland) University, 1998. President National Council for Self-Esteem, since 1990. Co-editor European Journal for High Ability, Hamburg, Germany, since 1990.
Member The Citizen Ambassador program Dwight D. Eisenhower Foundation, 1995.
Member World Council Gifted and Talented Children, World Senate of Educators, International Council for Self-Esteem, National Council for Self-Esteem.
Married Maria Chlopek (divorced 1968). Children: Jaroslaw, Marek, Eva. Married Jolanta Icha, 1978 (divorced 1999).