http://news.bbc.co.uk/1/hi/magazine/6476645.stmQuakers started the British campaign against the slave trade and invented modern campaigning, championing the petition and the consumer boycott, and mastering the use of images and logos. Not that they like to shout about it.
It is perhaps the defining image of the battle to end the slave trade. Not a picture of a shackled slave, or some gruesome punishment, but a cross-section of a ship. It is a ship packed so full that the mind boggles at the sheer logistics of inhumanity.
The use of the engraving of the Liverpool slave ship, the Brookes, is the perfect example of how Quaker mastery of PR kick-started the movement that toppled the slave trade. But today their contribution has largely been forgotten.
The campaign to abolish the slave trade was an overwhelmingly religious affair. The importance of evangelical Anglicans, like William Wilberforce and John Newton, is well known. But Quakers were the pioneers of the movement, its brains, and much of the soul too. The more you delve into the story, the more you find Quakers under every shadow.