Frederick McKay
Frederick McKay was a pioneering American dentist whose observations in the early 20th century led to the discovery of the relationship between fluoride and dental health. He noted that residents of Colorado Springs had fewer cavities despite having mottled teeth, which eventually contributed to the adoption of water fluoridation as a public health strategy to reduce tooth decay.
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Frederick McKay first noted the effectiveness of water fluoridation in 1901 while observing residents of Colorado Springs.
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