2i 



A LIST OF THE PRESIDENTS 



OF THE 



AMERICAN PHILOSOPHICAL SOCIETY, 



Held at Philadelphia, for promoting Useful Knowledge. 



BENJAMIN FRANKLIN— elected 2d January, 1769; died 17th 



April, 1790. 

 DAVID RITTENHOUSE— elected 7th January, 1791; died 26th 



June, 1796. 

 THOMAS JEFFERSON— elected 6th January, 1797; resigned in 



January, 1815; died 4th July, 1826. 

 CASPAR WISTAR— elected 6th January, 1815; died 22d January, 



1818. 

 ROBERT PATTERSON— elected 1st January, 1819; died 22d 



July, 1824. 

 WILLIAM TILGHM AN— elected 7th January, 1825; died 29th 



April, 1827. 

 PETER STEPHEN DUPONCEAU— elected 4th January, 1828; 



died 1st April, 1844. 

 ROBERT M. PATTERSON— elected 3d January, 1845; declined 



accepting the position. 

 NATHANIEL CHAPMAN— elected 2d January, 1846; died 1st 



July, 1853. 

 ROBERT M. PATTERSON— re-elected 5th January, 1849; died 



5th September, 1854. 

 FRANKLIN BACHE— elected 7th January, 1853. 

 ALEXANDER DALLAS BACHE— elected 5th January, 1855. 

 JOHN K. KANE— elected 2d January, 1857; died 21st February, 



1858. 

 GEORGE B. WOOD— elected 7th January, 1859. 



