Original: Wallace was the inspiration for the poem , The Acts and Deeds of Sir William Wallace , Knight of Elderslie , by the 15th-century minstrel , Blind Harry and this poem was to some extent the basis of Randall Wallace 's screenplay for the 1995 film Braveheart .
Simplified: A book called The Acts and Deeds of Sir William Wallace , Knight of Elderslie was written by a minstrel named Blind Harry in the 15th century .