Izrael Hieger DSc (London) (13 June 1901 – 14 October 1986) was a biochemist whose work focused on carcinogenesis. He discovered the first known organic carcinogenic compound. In 1937 Hieger, with colleagues
Ernest Kennaway and J. W. Cook, was nominated for a
Nobel Prize for work on isolating chemical carcinogenic agents from tar and studies on the relation between chemical constitution and carcinogenic activity.