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Ran for and lost the Democratic nomination. Later ran for president on the Free Soil Party ticket.
Martin Van Buren
Went on a 2 year world tour. Ran for a 3rd term, losing the Republican nomination. Joined his son's Wall Street brokerage resulting in financial ruin. Published his memoirs titled "Personal Memoirs of Name".
Ulysses S. Grant
The longest living president (as of Dec 10 2014) at 93 years and 165 days. Became good friends with his successor. Considered a run for the Republican nomination 4 years after he lost the presidency, but never offically entered the race. Served on several corporate boards including Commercial Credit, Nova Pharmaceutical and The Pullman Company.
Gerald R. Ford
Retired to his Montepelier estate and served as the 2nd rector of the University of Virginia.
Served as Chief Justice of the Supreme Court
William H. Taft
Lost election as a US Representative. Later served in the US Senate until his death.
Retired to his Spiegel Grove home. Served on the Board of Trustees of the University of Ohio.
Rutherford B. Hayes
Retired to his Oak Hill estate and served as member of the Board of Visitors of the University of Virginia.
Took up painting, authored two books, a memoir titled "Decision Points" and a biography of his father titled "41." Has kept a low profile in retierment.
George W. Bush
Retired to his mother-in-law's home in Independence, MO where he struggled with financial hardships. Published his memoirs and also lobbied for the presidential papers legislation.
Harry S Truman
Ran for president on the American Party ticket. Helped found the Buffalo Historical Society.
Lectured briefly at Stanford University. Remarried his deceased wife's niece who was 25 years his junior. Served as attorney for Venezuela over their border dispute with the UK (British Guiana) in the international trial.
Retired to his Hermitage estate.
Retired to his ranch in Stonewall, Texas. Donated his ranch to become a national park.
Lyndon Baines Johnson
Served as chairman of the Railroad Commission, as a director of New York Life Insurance Company, and as a trustee of Amherst College. Published his autobiography and a newspaper coloumn.
Is active in public life, giving speeches, fundraising, and founding charitable organizations. Campaigned for his wife's presidential bid.
Founded the University of Virginia.
Retired to his home in Nashville. Had the shortest post-presidency at 103 days.
James K. Polk
Ran for president. When he lost the Republican nomination he left the convention running on the Progressive (Bull Moose) Party ticket.
Retired to Houston and spends the summers at his Kennybunk Port, Maine house. Became friends with his successor. Serves as Honorary Chairman of the non-profit Points of Light.
George H. W. Bush
Ran for president on the Democratic ticket and won. Was the only president to serve non-consecutive terms.
Published the book "Fishing For Fun—And To Wash Your Soul." Following WWII toured West Germany producing multiple reports about the US Occupation, which led to a school meal plan for children. Served as chairman of the Eponymous Committee under the presidencies of Truman and Eisenhower to reorganize the executive departments.
Served in the House of Representatives for 17 years and became a major leader against slavery. Ran for Governor of Massachusetts.
John Quincy Adams
Retired to his farm in Gettysburg, Pennsylvania where he raised Angus beef cattle. Warned of the military industrial complex in his farewell address.
Dwight D. Eisenhower
Retired to his home in Lancaster, Pennsylvania. Defended his administration during the Civil War. Published the memoir Mr. (Name)'s Administration on the Eve of Rebellion.
Retired to house in the Embassy Row neighborhood of Washington, D.C. Ultimately died of a final stroke at home.
Retired to his Mount Vernon estate.
Won a Nobel Peace Prize. Founded his eponymous Center advance human rights and alleviate human suffering. Teaches at Emory University, has written 21 books and worked for the expansion of Habitat for Humanity and teaches Sunday School at his local church. Serves as a diplomat and international mediator observer.
Retired to his Sherwood Forest estate. Later served as a delegate to the Provisional Confederate Congress. Elected to the Confederate House of Representatives but died before serving.
Moved back to New York City where he returned to work as a lawyer at his former law firm of Name, Knevals & Ransom.
Chester A. Arthur
Was interviewed by David Frost and wrote 10 books. Was disbarred by New York state. Traveled extensively visiting many world leaders and was recognized as an elder statesman.
Richard M. Nixon
Went on several grand tours of Europe. Was a vocal opponent of Lincoln during the Civil War. Speculated in land deals and farmed in New Hampshire.
Retired to his Peacefield Home. Reconciled with his successor through their long correspondence.
Spoke in favor of a line-item veto; the Brady Bill; a constitutional amendment requiring a balanced budget; and the repeal of the 22nd Amendment. Suffered from Alzheimer's disease for many years.