Norman Edward Breslow (February 21, 1941 – December 9, 2015) was an American statistician and medical researcher.

At the time of his death, he was Professor (Emeritus) of Biostatistics in the School of Public Health, of the University of Washington.

Matched sample studies can quickly and cheaply test some hypothesized relationships, but their apparent findings are not definitive, and there's much they cannot accomplish.

Their results, however, can inform the design of slow and expensive longitudinal large-cohort studies that are definitive, for example.

[4] He was also a fellow of the American Association for the Advancement of Science at the same time as his father, Lester Breslow.