Thomas Clarkson 
An Essay on the Slavery and Commerce of the Human Species 

This essay was honoured with the first prize in the University of Cambridge for the year 1785 and was influential for Clarkson’s further career. Thomas Clarkson was an English abolitionist, and a leading campaigner against the slave trade in the British Empire. He was not only instrmuental in achieving the passage of the Slave Trade Act of 1807, which ended British trade in slaves, but also campaigned for the abolition of slavery worldwide.