$50 Paper Banknotes

Ian Clunies Ross
Ian Clunies Ross was born in Bathurst, New South Wales on February 22, 1899. Clunies Ross was at the height of his powers in his early years as head of C.S.I.R.O. and was able to reap the benefits of a series of glittering successes. Radio astronomy, the discovery of the role of minor elements in animal and plant physiology, the dissemination of myxomatosis virus for the control of rabbits, and improvements in wool processing combined to propel the organization to national prominence. He also developed an immunization for dogs to protect against the dog-tick.Sir Ian died of atherosclerotic heart disease on 20 June 1959 in Melbourne and was buried in Box Hill cemetery.

Lord Howard Walter Florey
Lord Howard Walter Florey was born on 24 September 1898 at Malvern, Adelaide. Although Florey made advances in many fields of experimental pathology, by far his greatest contribution to science was the development of penicillin as a systemic antibacterial agent, thus inaugurating the antibiotic era.He died of myocardial infarction on the 21st of February 1968.
updated: 15/12/2018