|Contributor & Date to:
Motion / Method Study
|Monks recorded 'overall times' in the construction of stonework for their monasteries.
|Introduced provision for rest to cover effects of fatigue in 'time allowed'.
|Interested in layout and improved methods.
|Overall timed studies of complete cycle of operations in the manufacture of pins.
(Peronnet 1760; Babbage circa 1800)
|Frederick W Taylor
(1856 - 1915)
|Advocated a scientific attitude. Emphasis on analysis and measurement:
|Frank R Gilbreth
(1869 - 1924)
|Intensive study of 'motion' involved in work tasks which resulted in evolving 'principles of motion economy'. Also investigated fatigue and its elimination. (His wife, Lillian, a pathologist, co-operated with him in this work and carried on with it after his death).
|Henry L Gantt
(1861 - 1919)
|Originator of the Gantt chart - a visual display based on time rather than dimensions, weight etc.
Useful tool when planning loading on a layout and deciding equipment necessary to meet the planned factory load.
|Charles E Bedaux
|Previous to Bedaux, time study composed simply of average elapsed time for each element; Bedaux introduced Rating Assessment. As each element was timed it was given a rating value for speed and effectiveness with which each element was carried out. A Rest Allowance was also included.
|More general trends since above
|A more intensive study of the human element in the work situation e.g.