OVERVIEW:

BORN:
May 10, 1813
Franklin County, Kentucky

DIED:
July 27, 1883 (age 70)
Silver Spring, Maryland

EDUCATION:
United States Military Academy (BS, 1845)
Transylvania University (LLB)

POLITICAL PARTY:
Democratic (Before 1854; 1865–1883)
Republican (1854–1865)

HIGHLIGHTS:
1835:
Lieutenant in the U.S. Army during the Seminole Indian War 
1837:
Moved to St. Louis, Missouri
Admitted to to the bar and began practicing law
1839-1841:
U.S. District Attorney for Missouri
1842-1843:
Mayor of St. Louis, Missouri
1843-1849:
Judge, Court of Common Pleas, St. Louis, Mo.
1844-1852:
Delegate to Democratic National Conventions
1853:
Moved to Maryland
1855:
Solicitor, United States Court of Claims Counsel for Dred Scott
1860:
President, State Republican Convention, Baltimore, Md.
1861-1864:
U.S. Postmaster General 
1876:
Electoral Committee Counsel for Samuel J. Tilden
1878:
Member, Maryland House of Delegates
1882:
Unsuccessful Candidate for U.S. Congress 

RESOURCES:
Library of Congress
National Postal Museum
Lehrman Institute
Wikipedia