John Hamilton Tanton (February 23, 1934 – July 16, 2019) was an American ophthalmologist, white nationalist and anti-immigration activist. He was the founder and first chairman of the Federation for American Immigration Reform (FAIR), an anti-immigration organization. He was the co-founder of the Center for Immigration Studies, an anti-immigration think tank; and NumbersUSA, an anti-immigration lobbying group. He was chairman of U.S. English and ProEnglish. He was briefly President of Zero Population Growth. He was the founder of The Social Contract Press, which published a quarterly journal of nativist and white nationalist writers called The Social Contract until Fall 2019. He founded the pro-eugenics organization Society for Genetic Education.