Background
Trass, Hans Voldemar was born on May 2, 1928 in Tallinn, Republic of Estonia. Son of Hartmut and Olga (Larionova) Trass.
Trass, Hans Voldemar was born on May 2, 1928 in Tallinn, Republic of Estonia. Son of Hartmut and Olga (Larionova) Trass.
Student, Tartu (Estonia) University, 1952.
Postgraduate, Tartu U., 1952-1955; lecturer, Tartu U., 1955-1956; head botany and ecology departments, docent, Tartu U., 1956-1971; head botany and ecology departments, professor, Tartu U., since 1971. President MAB-programme committee United Nations Educational, Scientific and Cultural Organization, 1978-1988.
Member Estonia Academy of Sciences, Estonian Naturalists Society (president Tartu chapter 1962-1971, 85-91, honorary president since 1991), Finnish Biological Society, International Association Lichenologists, Ecological Society of America, International Association Vegetation Science, International Bryological Society.
Married Virve Luide, June 28, 1952 (divorced) 1964. 1 child, Riina Trass-Kütt. Married Raine Loo, August 17, 1966.
1 child, Toomas.