Harold F. Dodge
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Harold F. Dodge was one of the principal architects of the science of statistical quality control. He is universally known for his work in originating acceptance sampling plans for putting inspection operations on a scientific basis in terms of controllable risks.
From 1917 to 1958 worked at quality assurance department at Bell Laboratories with Walter Shewhart, George Edwards, Harry Romig, R. L. Jones, Paul Olmstead, E.G.D. Paterson, and Mary N. Torrey. At that time the basic concepts of acceptance sampling was developed, such as :
- Consumer's Risk,
- Producer's Risk,
- double sampling,
- lot tolerance percent defective (LTPD), and
- average outgoing quality limit (AOQL).
Also he originated several types of:
- acceptance sampling schemes,
- CSP type continuous sampling plans,
- chain sampling plans, and
- skip-lot sampling plans.
During World War II, Dodge served as a consultant to the Secretary of War, and was chairman of the American Standards Association (now the American National Standards Institute) War Committee Z1, which prepared the Z1.1, Z1.2, and Zl.3 quality control standards.
