<Li> July 21, 2007--Under the same circumstances as the 2002 invocation, President George W. Bush transmitted a letter to President pro tempore of the Senate Robert Byrd and Speaker of the House of Representatives Nancy Pelosi declaring himself temporarily unable to discharge the powers and duties of the office prior to undergoing a colonoscopy, which was done under sedation . Vice President Cheney was Acting President from 7: 16 a.m. to 9: 21 a.m. that day . </Li> <P> The following people have been next in line for the powers and duties of the Presidency (i.e., to become Acting President, in the event of the death, resignation, removal, or disability of the President) when there was either no Vice President or the Vice President was Acting President: </P> <Table> <Tr> <Th> #</Th> <Th> Name </Th> <Th> Office Title </Th> <Th> Party </Th> <Th> Dates </Th> <Th> Reason </Th> <Th> President </Th> </Tr> <Tr> <Th> </Th> <Td> William Harris Crawford </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic - Republican </Td> <Td> April 20, 1812--March 4, 1813 </Td> <Td> Death of Vice President George Clinton </Td> <Td> Madison </Td> </Tr> <Tr> <Th> </Th> <Td> Langdon Cheves </Td> <Td> Speaker of the House </Td> <Td> Democratic - Republican </Td> <Td> November 23, 1814--November 25, 1814 </Td> <Td> Death of Vice President Elbridge Gerry </Td> <Td> Madison </Td> </Tr> <Tr> <Th> </Th> <Td> John Gaillard </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic - Republican </Td> <Td> November 25, 1814--March 4, 1817 </Td> <Td> Elected President pro tempore </Td> <Td> Madison </Td> </Tr> <Tr> <Th> </Th> <Td> Hugh Lawson White </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> December 28, 1832--March 4, 1833 </Td> <Td> Resignation of Vice President John C. Calhoun </Td> <Td> Jackson </Td> </Tr> <Tr> <Th> 5 </Th> <Td> Samuel L. Southard </Td> <Td> President pro tempore of the Senate </Td> <Td> Whig </Td> <Td> April 4, 1841--May 31, 1842 </Td> <Td> Death of President William Henry Harrison </Td> <Td> Tyler </Td> </Tr> <Tr> <Th> 6 </Th> <Td> Willie P. Mangum </Td> <Td> President pro tempore of the Senate </Td> <Td> Whig </Td> <Td> May 31, 1842--March 4, 1845 </Td> <Td> Elected President pro tempore upon the resignation of President pro tempore Samuel L. Southard </Td> <Td> Tyler </Td> </Tr> <Tr> <Th> </Th> <Td_colspan="3"> Vacant / Howell Cobb </Td> <Td> July 9, 1850--July 11, 1850 </Td> <Td> Death of President Zachary Taylor; vacancy in office of President pro tempore of the Senate; Speaker of the House Howell Cobb was not yet 35 years old and so might not have been eligible, depending on whether the qualifications for the presidency apply to becoming Acting President . </Td> <Td> Fillmore </Td> </Tr> <Tr> <Th> 7 </Th> <Td> William R. King </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> July 11, 1850--December 20, 1852 </Td> <Td> Elected President pro tempore </Td> <Td> Fillmore </Td> </Tr> <Tr> <Th> 8 </Th> <Td> David Rice Atchison </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> December 20, 1852--March 4, 1853 </Td> <Td> Elected President pro tempore </Td> <Td> Fillmore </Td> </Tr> <Tr> <Th> 9 </Th> <Td> David Rice Atchison </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> April 18, 1853--December 4, 1854 </Td> <Td> Death of Vice President William R. King </Td> <Td> Pierce </Td> </Tr> <Tr> <Th> 10 </Th> <Td> Lewis Cass </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> December 4, 1854--December 5, 1854 </Td> <Td> Elected President pro tempore </Td> <Td> Pierce </Td> </Tr> <Tr> <Th> 11 </Th> <Td> Jesse D. Bright </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> December 5, 1854--June 9, 1856 </Td> <Td> Elected President pro tempore </Td> <Td> Pierce </Td> </Tr> <Tr> <Th> 12 </Th> <Td> Charles E. Stuart </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> June 9, 1856--June 10, 1856 </Td> <Td> Elected President pro tempore </Td> <Td> Pierce </Td> </Tr> <Tr> <Th> 13 </Th> <Td> Jesse D. Bright </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> June 11, 1856--January 6, 1857 </Td> <Td> Elected President pro tempore </Td> <Td> Pierce </Td> </Tr> <Tr> <Th> 14 </Th> <Td> James M. Mason </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> January 6, 1857--March 4, 1857 </Td> <Td> Elected President pro tempore </Td> <Td> Pierce </Td> </Tr> <Tr> <Th> 15 </Th> <Td> Lafayette S. Foster </Td> <Td> President pro tempore of the Senate </Td> <Td> Republican </Td> <Td> April 15, 1865--March 2, 1867 </Td> <Td> Death of President Abraham Lincoln </Td> <Td> A. Johnson </Td> </Tr> <Tr> <Th> 16 </Th> <Td> Benjamin F. Wade </Td> <Td> President pro tempore of the Senate </Td> <Td> Republican </Td> <Td> March 2, 1867--March 4, 1869 </Td> <Td> Elected President pro tempore </Td> <Td> A. Johnson </Td> </Tr> <Tr> <Th> 17 </Th> <Td> Thomas W. Ferry </Td> <Td> President pro tempore of the Senate </Td> <Td> Republican </Td> <Td> November 22, 1875--March 4, 1877 </Td> <Td> Death of Vice President Henry Wilson </Td> <Td> Grant </Td> </Tr> <Tr> <Th> </Th> <Td_colspan="3"> Vacant </Td> <Td> September 19, 1881--October 10, 1881 </Td> <Td> Death of President James A. Garfield; vacancy in offices of President pro tempore of the Senate and Speaker of the House </Td> <Td> Arthur </Td> </Tr> <Tr> <Th> 18 </Th> <Td> Thomas F. Bayard </Td> <Td> President pro tempore of the Senate </Td> <Td> Democratic </Td> <Td> October 10, 1881--October 13, 1881 </Td> <Td> Elected President pro tempore </Td> <Td> Arthur </Td> </Tr> <Tr> <Th> 19 </Th> <Td> David Davis III </Td> <Td> President pro tempore of the Senate </Td> <Td> Independent </Td> <Td> October 13, 1881--March 3, 1883 </Td> <Td> Elected President pro tempore </Td> <Td> Arthur </Td> </Tr> <Tr> <Th> 20 </Th> <Td> George F. Edmunds </Td> <Td> President pro tempore of the Senate </Td> <Td> Republican </Td> <Td> March 3, 1883--March 3, 1885 </Td> <Td> Elected President pro tempore </Td> <Td> Arthur </Td> </Tr> <Tr> <Th> </Th> <Td_colspan="3"> Vacant </Td> <Td> November 25, 1885--December 7, 1885 </Td> <Td> Death of Vice President Thomas A. Hendricks; vacancy in offices of President pro tempore of the Senate and Speaker of the House </Td> <Td> Cleveland </Td> </Tr> <Tr> <Th> 21 </Th> <Td> John Sherman </Td> <Td> President pro tempore of the Senate </Td> <Td> Republican </Td> <Td> December 7, 1885--January 19, 1886 </Td> <Td> Elected President pro tempore </Td> <Td> Cleveland </Td> </Tr> </Table> <Tr> <Th> #</Th> <Th> Name </Th> <Th> Office Title </Th> <Th> Party </Th> <Th> Dates </Th> <Th> Reason </Th> <Th> President </Th> </Tr>

What did the original constitution say about succession to the presidency