<Li> <P> Hudson - Fulton Celebration commemorative stamp, 1909 issue . </P> </Li> <P> Hudson - Fulton Celebration commemorative stamp, 1909 issue . </P> <Li> <P> 200th Anniversary commemorative stamp, 1965 issue, based on the Houdon bust . </P> </Li> <P> 200th Anniversary commemorative stamp, 1965 issue, based on the Houdon bust . </P>

Who was robert fulton and what did he do