1. Loyalist Samuel Mather Jr. (1745–1809), former chief clerk of the Boston customs office, returned to America and became a major shareholder in the Connecticut Land Company. He sent Robert Young’s An Essay on the Powers and Mechanism of Nature, London, 1788. While living in England, AA attended Young’s scientific lectures, and a copy of this work is in JA’s library at MB (vol. 17:50; Chaim M. Rosenberg, Yankee Colonies Across America: Cities upon the Hills, Lanham, Md., 2015, p. 39; AFC description begins Adams Family Correspondence, ed. L. H. Butterfield, Marc Friedlaender, Richard Alan Ryerson, Margaret A. Hogan, Sara Martin, Hobson Woodward, and others, Cambridge, 1963–. description ends , 8:25, 26; Catalogue of JA’s Library description begins Catalogue of the John Adams Library in the Public Library of the City of Boston, Boston, 1917. description ends ).

2. Samuel Rogers (1764–1804), Harvard 1765, was a Boston merchant who resettled in London in 1778. Holding the power of attorney for many of his fellow loyalists, he assisted with their compensation claims and operated a banking firm on Charlotte Street (Sibley’s Harvard Graduates description begins John Langdon Sibley, Clifford K. Shipton, Conrad Edick Wright, Edward W. Hanson, and others, Biographical Sketches of Graduates of Harvard University, in Cambridge, Massachusetts, Cambridge and Boston, 1873–. description ends , 16:211, 212).