Buck was born and raised on a small cattle ranch north of Boise, Idaho. He graduated from Meridian High School in 1973, moving to Montana in 1976. He attended Montana State University from 1980-1985 graduating with a Bachelors’ degree in Earth Science and a secondary school teaching certificate. He also earned a Master’s degree in Secondary School Administration in 1994. Buck taught in Belgrade, Montana for 22 years, retiring in 2007. He currently resides in Manhattan with his wife Carol. They have been gardeners since moving to Manhattan in 1980 and avid composters for 20 years. He started raising bees four years ago, hoping to aid in pollination and bee diversity.