Siddharth Kara's The Zorg: A Review of Scarcely Imaginable Horrors at Sea

Over the spanning nearly four hundred years, the transatlantic slave trade resulted in 12.5 million Africans trafficked from their continent to the Americas. A devastating 1.8 million of those souls perished during the voyage, subjected to unfathomable conditions of overcrowding, filth, and illness. Many chose to end their suffering by throwing themselves overboard, while others were callously thrown into the sea.

A Tale of Two Stories

In The Zorg, author Siddharth Kara presents two interconnected narratives. The first details a horrific incident aboard the namesake slave ship—the deliberate murder of 132 enslaved Africans by its British crew. The second story explores how this event played a pivotal role in the ending of the Atlantic slave trade in 1807, driven in large part by the relentless efforts of a dazzling array of abolitionist activists. Among them was Olaudah Equiano, who wrote one of the few surviving first-person accounts of the Middle Passage, describing it as “a scene of horror almost inconceivable”.

Liverpool's Central Role

The account originates in Liverpool, a port city that at the height of its economic power was accountable for 40% of Europe's slave trafficking. Investing in slavery was a lucrative venture for everyone from the wealthy but also the common people. One such entrepreneur, William Gregson, saved up his earnings from his trade, invested them into the slave trade, and eventually became a wealthy burgher and even mayor. Gregson provided the funds for the slave ship The William, which set sail from Liverpool for West Africa in October 1780 under Captain Richard Hanley. Its cargo was loaded with trade goods like tobacco, firearms, knives, and so-called “India goods” such as chintz and cowrie shells—the shells being a common currency in the acquisition of human beings.

The Capture of the Zorg

Concurrently, a Dutch slave vessel named the Zorg (later referred to by the British as the Zong) had departed the Netherlands. With Britain at war with the Dutch in late 1780, the Royal Navy granted British ships permission to seize Dutch property at sea—a virtual license for privateering. The Zorg was soon captured by a British captain and anchored off the Gold Coast. Meanwhile, Captain Hanley, on a slaving expedition, picked up a disgraced British governor named Robert Stubbs, who had been expelled for graft.

A Voyage into Hell

When Hanley reached Cape Coast Castle—a stronghold with a vast slave dungeon beneath it—he assumed control of the captured Zorg. He then severely overcrowd it with captives, placed a dozen of his own crew on board, and made Luke Collingwood, a ship's surgeon of questionable seamanship, its captain. In August 1781, the Zorg finally left Accra carrying 442 captives, 17 crew members, and one notorious passenger: the former governor, Robert Stubbs.

Kara is particularly skilled at using historical documents to bring to life the collective nightmare of being trafficked on a slave ship.

The Zorg's journey was fraught with calamity. Dysentery swept through the vessel, followed by scurvy. The captain fell ill, lost his senses, and appointed Stubbs. Thus, “a ship full of decay and death was being commanded by a passenger.” Kara effectively employs eyewitness accounts to paint a picture of the sheer horror. The powerful testimony of Alexander Falconbridge, a doctor who became an activist, describes how the captives' skin was often worn down to the bone from lying on bare wood, their flesh caught between the planks.

The Unspeakable Decision

By late November 1781, the Zorg was far from Jamaica and dangerously short on water. The crew resolved to throw overboard a number of the enslaved Africans, who had already suffered through months of appalling conditions below deck. This monstrous act was not motivated by preserving life—the Africans had pleaded to be spared, even without water rations—but by cold economic greed. Maritime insurance policies did not cover losses from natural causes, but they did cover cargo jettisoned out of “necessity” for the ship's safety. Over several days, the crew drowned “those Africans who would be worth less at auction”—the weak, the sick, along with women and children, even a baby born during the voyage.

The Courtroom Battle

Back in Liverpool, investor William Gregson was unhappy about the financial return on his investment. He filed an insurance claim for £30 per drowned captive—a considerable sum in today's money. The insurers declined to pay. In March 1783, Gregson took them to court and was awarded a trial by jury, with his lawyers arguing that throwing the enslaved people overboard had been “necessary.”

The Spark for Abolition

According to Kara, “there is a direct line of causality between the public exposure of the Zorg murders and the first movement to abolish slavery in England.” Just twelve days after the trial, an published essay appeared in a prominent English newspaper. The author, who claimed to have attended the court proceedings, argued compellingly against slavery, using the Zorg case as a key illustration of its brutality. Olaudah Equiano read the letter and brought it to the abolitionist Granville Sharp, who filed a motion for a new trial. At the subsequent hearing, the events on the Zorg were reviewed in meticulous detail, exactly what the abolitionists had wanted.

A Sustained Campaign

In the spring of 1787, the founding members of the Society for Effecting the Abolition of the Slave Trade convened. Over the following years, they wrote letters, made speeches, lobbied tirelessly, and meticulously documented the realities of the slave trade. “Their efforts,” Kara writes, “would lay a blueprint for the pursuit of social justice.” After years of setbacks, the Act for the Abolition of the Slave Trade was enacted in 1807.

An Enduring Impact

The debate over who or what deserves credit for abolition is a matter of debate. The Zorg's influence, however, is powerfully evident in J.M.W. Turner's famous painting, The Slave Ship, which was based on the events of 1781. While slavery has been widespread in human history, its abolition following a prolonged mass campaign was unprecedented, serving as an testament to the power of moral courage, the pen, and unwavering determination.

The Author's Approach

Unlike his other work—such as the acclaimed Cobalt Red—Kara has had to fill in certain gaps in the available documentation. At times, imaginative flourishes contrast with scrupulously factual accounts, giving the book a slightly chimeric feel. A blend of narrative suspense and part historical analysis, The Zorg ultimately manages to illuminating one of history's darkest chapters, using compelling prose and documented fact to assemble a portrait that stays with the reader well after the final page.

Jeremiah Simpson
Jeremiah Simpson

Lena is a seasoned sports analyst with over a decade of experience in betting strategies and odds evaluation.