1944 Birth in the Moravian-Czech town of Hranice, then
Protectorate Bohemia and Moravia, as Ondřej Křižan, the 3rd son of Jan Křižan and Dagmar née Hasilík. Growing up in Valašské Meziříčí and the nearby village Branky.
1951 orphaned after father's execution by the communists. 1958 forbidden from
higher education, then adopted by mother´s brother MUDr. Jan Hasilík and his wife Viera in Žilina. 1962 high school diploma.
1967 Dipl.-Ing. degree from Slovak Technical University in Bratislava. 1967
begin of Ph.D. thesis on energy metabolism in baker´s yeast. The same year marriage with microbiologist, later sculptor Hana
Hasilik. 1970 exile to the West after a trip to Poreč, Istria,
former Yugoslavia, waiting for visa in Vienna, research position at University
Utrecht. 1971 research position at the Biochemistry Institute, University of
Freiburg im Breisgau, this time thesis on proteases in baker´s yeast. 1974 Ph.D. from University Freiburg. 1975 post-doc at
University of Regensburg. 1971 and 1975 birth of two sons in Freiburg and
Regensburg, respectively. 1977 post-doc at N.I.H., Bethesda, MD. 1979 post-doc
at University Münster. Lecturer (1981) and assistant professor (1983) at University Münster. 1994, chair of Physiological Chemistry at the Medical School of
Philipps-University Marburg. 2009 emerited. Publications: PubMed, Research.Com
and Google Scholar. In Czech co-authoring as Ondřej Křižan-Hasilík: CLAY-EVA volá z Blazic (p3K, Prague 2018), available free online.