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They called it “progress” – but the death of William Kemmler in the electric chair was nothing short of a public burning.

On a bright summer morning, August 6, 1890, a crowd gathered at Auburn State Prison in New York to witness a grim milestone: the execution of William Kemmler, a 30-year-old convicted murderer, in the newly invented electric chair. Touted as a humane alternative to hanging or firing squads, the electric chair promised a swift and painless death. Instead, what unfolded was a horrific spectacle that left witnesses traumatized and sparked fierce debate about the morality of this so-called “progressive” method of execution.

The Life and Crime of William Kemmler

William Kemmler, born on May 9, 1860, in Philadelphia, is remembered more for his death than his life. A produce peddler in Buffalo, New York, Kemmler had a troubled personal life. After leaving his first wife, he began a relationship with Matilda “Tillie” Ziegler. On March 29, 1889, after a night of drinking, an argument with Ziegler turned deadly. In a fit of rage, Kemmler grabbed a hatchet and struck her more than 25 times on her head, neck, and shoulders. He confessed to a neighbor, leaving no doubt of his guilt.

During his trial, the judge sentenced Kemmler to death, opting to use a novel method: the electric chair. Invented by Dr. Albert Southwick, a dentist inspired by the seemingly painless death of a drunkard who touched an electrical generator, the chair was heralded as a scientific breakthrough. Thomas Edison, a pioneer of electricity, claimed that a 1,000-volt current would kill instantly and painlessly. Kemmler’s execution would be the first test of this bold claim.

A Grisly Execution

On the morning of his execution, Kemmler appeared calm. “Gentlemen, I wish everyone all the good luck in the world,” he said as he entered the execution chamber. “I believe I am going to a good place.” He even reminded a deputy sheriff to strap one of his arms properly, adding with quiet resolve, “Well, I want to do the best I can, and I can’t do any better than that.”

At 6:43 a.m., the executioner flipped the switch. What followed was far from the promised swift and humane death. Kemmler’s body convulsed, his face turned a deep red, and his fingernails dug into his palms as he strained against the leather straps. After 17 seconds, the current was stopped, and Dr. Southwick, present to observe his invention, declared triumphantly, “There! There is the culmination of 10 years’ work and study. We live in a higher civilization from this day.”

But Kemmler was still alive, gasping and heaving. The crowd recoiled in horror; one reporter fainted. After a tense pause, the current was restarted and left on for four agonizing minutes. Smoke rose from Kemmler’s back, and the smell of charred flesh filled the room. Several witnesses fainted, and the district attorney who prosecuted Kemmler collapsed in the hallway. By 6:51 a.m., Kemmler was finally dead, but the scene was nothing short of a public burning.

A Public Shame

The witnesses were left shaken. “I have seen many men hanged,” a doctor remarked, “and I must say there is nothing in the old method so revolting as the scene I have witnessed this morning.” The New York Times described the onlookers as “miserable, as weak-kneed a lot of men as can be imagined,” haunted by the feeling they had participated in a “public shame, a legal crime.” The Chicago Tribune was even harsher, declaring that Kemmler “was actually tortured to death with a refinement of cruelty that was unequalled in the dark ages.”

An autopsy conducted three hours later suggested Kemmler may have been unconscious after the first shock, implying his suffering was less than it appeared. Doctors attributed the botched execution to improperly placed electrodes or insufficient voltage. Yet these explanations did little to quell the public’s outrage. Dr. George F. Shrady, a witness and editor of the Medical Record of New York, predicted that “public opinion will soon banish the death chair, as it has done the rope, and imprisonment for life will be the only proper punishment meted out to a murderer.”

The Legacy of the Electric Chair

Despite the horror of Kemmler’s execution, the electric chair endured. Less than a year later, on July 7, 1891, four men were electrocuted in a New York prison. In 1899, Martha Place became the first woman executed by the chair. Over time, more than 4,000 people have been executed in electric chairs across the United States. At its peak, 26 states used it as their primary execution method. Today, South Carolina remains the only state to use the electric chair as its primary method, with eight others—Alabama, Arkansas, Florida, Kentucky, Louisiana, Mississippi, Oklahoma, and Tennessee—offering it as an alternative. Lethal injection, however, has largely replaced it as the standard.

William Kemmler was buried unceremoniously in quicklime on the prison grounds, his name fading into obscurity. But the witnesses to his execution never forgot the horror they saw. “No one can depict in words the apparent horrible sufferings of that poor devil,” one said. “I would not think $1,000 an inducement for witnessing another electrocution.” What was meant to be a triumph of science became a stark reminder of the fine line between progress and cruelty.