Sir Alfred Grenville Pugsley, FRS (13 May 1903 – 9 March 1998) was a British structural engineer.
In 1941 he was made head of the structural and mechanical engineering department at RAE and awarded an OBE in 1944.
During this time he developed the concepts of safety in engineering, becoming an authority on metal fatigue in aircraft and the safe design of suspension bridges.
In 1957 he was elected President of the Institution of Structural Engineers and in 1968 awarded their Gold Medal "in recognition of his services to the Institution and for originating a general philosophy of structural safety based on a statistical analysis of the probability of failure".
[3] In 1968 his report on the Ronan Point disaster, when a system built tower block in London partly collapsed, caused the building industry to review its techniques and procedures.