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Wallace H. Coulter
American electrical engineer (1913-1998) · United States · On the map · Scientists · Died at 85
Wallace H. Coulter was an American electrical engineer, inventor, and businessman. The best known of his 85 patents is the Coulter principle, which provides a method for counting and sizing microscopic particles suspended in fluid.
Wallace H. Coulter is read about 11 times a day, in 6 languages.
A typical day, 30 days to 24 August 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
Something wrong?A life in dates
Also in Deutsch
Awards
About this person
His invention of the Coulter Counter made possible today's most common medical diagnostic test: the complete blood count (CBC). The Coulter principle is used in quality control of consumer products, such as chocolate and beer, paint and toners, and was even used to analyze Moon dust.
