Frederick James Pack (February 2, 1875 – December 2, 1938) was a professor of geology at the University of Utah and Brigham Young College and a writer on the deleterious effects of tobacco on human health.
In 1918, Pack published Tobacco and Human Efficiency, which has been described as the most "comprehensive or conscientious summation of the case to discourage cigarette use" that had been produced by that date.
Pack's personal and professional papers are held by the J. Willard Marriott Library at the University of Utah in Salt Lake City.
He was a frequent contributor to church magazines, with many of his writings focusing on the scientific justifications for the Word of Wisdom.
In 1918, Pack published an article in the church's Improvement Era entitled "Should Latter-Day Saints Drink Coca-Cola?
[5] Since this time, some Latter-day Saints have believed that drinking Coca-Cola or other caffeinated beverages amounts to a violation of the Word of Wisdom.