David Beach graduated from Yale College in 1872 and from the Yale Divinity School in 1876. In the same year he was ordained a Congregational minister and became pastor at Westerly, R. I. He subsequently served in pastorates at Wakefield, Mass., Cambridge, Mass., Minneapolis, and Denver. From 1903-1921, he was President and Professor of Sacred Rhetoric at Bangor Theological Seminary in Bangor, Maine. He took a prominent part in civic and social movements and during his residence at Cambridge was prominent in ridding that city of saloon. He advocated the adoption of a modified Norwegian liquor system in Massachusetts, and became known as an enthusiastic worker for church unity and a better theology.