Sefton Davidson Hamann 1921–2009

Sefton Hamann was born in Christchurch, New Zealand, on 8 January 1921 and died in Melbourne on 12 January 2009. He had a distinguished career in Australia's CSIRO as a scientist, as Chief of the Divisions of Physical Chemistry (1960–1966) and Applied Chemistry (1966–1974) and as Chairman of the Applied Chemistry Laboratories Committee (1974–1978). He was internationally recognized for his lifelong contributions to the physico-chemical effects of pressure. He made a major contribution to the nation through his work on the polymer banknote.