Sancho: Or The Proverbialist is a book written by John William Cunningham and published in 1816. The book is a fictionalized account of the life of Ignatius Sancho, an 18th-century African man who was born into slavery but later gained his freedom and became a writer and composer. The book is divided into two parts, with the first part focusing on Sancho's early life as a slave and his eventual escape to freedom. The second part of the book follows...