ABSTRACT

Born: August 6,1881; Lochfield, Ayrshire, Scotland Died: March 11, 1955; London, England Areas of Achievement: Medicine and biology Contribution: An exceptional facility for observa-

tion combined with excellent training and a careful adherence to the basic principles of the scientific method to enable Fleming to discover lysozyme and penicillin. These discoveries placed him in the vanguard of modern scientists struggling to control infectious diseases among the general population.