Prof. Juran was a 20th Century management consultant who is remembered as an evangelist for quality and quality management, writing several influential books on those subjects.
Juran was born to a Jewish family in 1904 in, Romania, and in 1912, he immigrated to America.
In 1941 Juran expanded the Pareto principle applying it to quality issues (e.g. 80% of a problem is caused by 20% of the causes). This is also known as "the vital few and the trivial many".
Working focused on managing for quality - went to Japan in 1954 and started courses in Quality Management. The training started with top and middle management. The idea that top and middle management need training had found resistance in the United States.
References: Wikipedia – Free Encyclopedia