- Robert M. Calhoon
Caldwell, David (22 March 1725–25 August 1824), Presbyterian minister, self-trained physician, and schoolmaster, was born in Lancaster County, Pennsylvania, the son of Andrew Caldwell and Ann Stewart, farmers. At the age of seventeen Caldwell became a carpenter’s apprentice and four years later a journeyman carpenter. At age twenty-five he experienced a religious conversion and a call to the ministry. He studied at the Reverend ...