The Republican candidate defeated by President Franklin D. Roosevelt in 1936 was Alfred M. Landon. The election results were almost a 100 percent vote in favor of Franklin D. Roosevelt. Mr. Landon only carried two states, neither of which was his home state of Kansas. Only Vermont and Maine carried Alf Landon.
Former Republican President Theodore Roosevelt ran as a third party candidate against incumbent Republican President William H. Taft in 1912. Democrat Woodrow Wilson beat both of them (as should be expected when the votes on one side are split).
In a way this is what happened in 1912. Former President Theodore Roosevelt, who was elected as a Republican Vice President in 1900 and as a Republican President in 1904, tried to get the nomination in 1912, but when he failed to get it, he ran as a third party candidate against the incumbent Republican president William Howard Taft. Both were defeated by Democrat Woodrow Wilson.
In 1912, the Republican Party nominated the incumbent President, William Howard Taft. However, former Republican President Theodore Roosevelt ran under the banner of the Progressive (Bull Moose) Party. This split the republican vote and allowed Democrat candidate Woodrow Wilson to win.
The Democratic Party candidate for the 1904 presidential election was Alton B. Parker. Parker lost to the incumbent Republican candidate, Teddy Roosevelt.
Herbert Hoover, Republican and incumbent president.
The Republican candidate for president in 1920 was Warren G. Harding. Harding won that election by defeating Democrat James M. Cox. President Harding served as the 29th President from 1921 until his death on August 2, 1923.
The candidates in 1912 were the incumbent Republican,Wm. Howard Taft, the Democratic candidate, Woodrow Wilson and ex-president, Theodore Roosevelt who ran as a third-party ( Bull-Moose) candidate. Roosevelt got more votes than Taft but not enough to beat Wilson.
Woodrow Wilson, the Democratic candidate, defeated incumbent William Howard Taft and former President Teddy Roosevelt, who was trying for a second, nonconsecutive elected term. Roosevelt was at odds with his successor, and ran under the Progressive (Bull Moose) Party, drawing many Republican votes.
William Howard Taft was the incumbent Republican President and was nominated for a second term by his party in 1912. Teddy Roosevelt who started off as a Republican left and started a new party. This cost Taft the re-election and put a Democrat, Woodrow Wilson in as President.
Barack Obama, incumbent President and 2012 Democratic candidate is a lawyer.Mitt Romney, the Republican candidate is not a lawyer but a financier .
The incumbent, Gerald R. Ford, ran for another term in 1976. Bob Dole was his running mate.
Democratic Party candidate Woodrow Wilson won the 1912 presidential election defeating Progressive Party (nicknamed the "Bull Moose Party") candidate Theodore Roosevelt and Republican Party candidate incumbent President William Taft.