James McPherson speaks to students at Toll Gate Grammar School about Abraham Lincoln.

Toll Gate kindergartner Brendan Riewe wears a sign honoring James Buchanan during the assembly.

Toll Gate kindergartner Lydia Sperry-Fernandez wears a picture of Abraham Lincoln during a school assembly about Presidents’ Day.

Civil War author James McPherson with his grandchildren, Annie and James Long, both are students at Toll Gate Grammar School.

Civil War scholar James McPherson spoke to Toll Gate Grammar School students about Abraham Lincoln at the school’s Presidents’ Day assembly. McPherson is a Professor Emeritus of US History at Princeton University. In 1989, he won the Pulitzer Prize for his book Battle Cry for Freedom.