Heshel Teitelbaum, born in 1947, is a Professor of Chemistry at the University of Ottawa. His field of research is measurements and calculations of the rates of gaseous reactions at high temperatures and energies. The field of application is combustion and atmospheric chemistry. He has published his studies in numerous peer-reviewed journals. He is the son of a Polish Holocaust survivor. In his spare time he enjoys researching Rabbinic genealogy, concentrating on the provinces of Kielce and Radom in Poland.