When he was elected to the House in 1807, he became the first native Kentuckian to enter Congress.  
Fletcher Pratt has argued that this man should be seen as the "Father of American Cavalry" because of his pioneering use of mounted riflemen.  This man put forward a measure to have members of Congress receive an annual salary rather than a $6 per diem, but when the public opposed the measure he vowed to fight for its repeal.  He offended religious groups by arguing that the separation of church and state prohibited the closing of post offices on Sundays, and further scandalized the nation through his open relationship with a mulatto he had inherited, Julia Chinn.  When he was elected to the House in 1807, he became the first native Kentuckian to enter Congress.  When he ran for his highest office many Democratic electors refused to vote for him, which led to his becoming the first Vice President chosen by the Senate.  FTP, name this man who claimed to have killed Tecumseh and who definitely served as Vice President under Martin Van Buren.
Fletcher Pratt has argued that this man should be seen as the "Father of American Cavalry" because of his pioneering use of mounted riflemen.  
Richard Mentor Johnson