1John Langdon to Thomas Jefferson, 18 February 1810 (Jefferson Papers)
John Langdon (1741–1819), president of Constitution in his home state the following year. Langdon sat in the ...body’s first president pro tempore. In his congressional career he initially voted with those favoring a national bank and the federal assumption of state debts, but by 1794 he had joined the Jeffersonian opposition. Langdon declined TJ’s invitation to be his secretary of the...