In Iowa , Grinnell was elected to the Iowa Senate , where he served from 1856 to 1860 . At the same time , he studied law , was admitted to the bar in 1858 , and set up his legal practice in Grinnell . He was a delegate to the 1860 Republican National Convention that nominated Abraham Lincoln for President
1860 Republican National Convention
1860 Republican National Convention
Josiah Bushnell Grinnell