Samuel Colt ( / k oʊ l t / ; July 19, 1814 – January 10, 1862) was an American inventor, business owner, and manufacturer who created Colt's Patent Fire-Arms Manufacturing Company. He was the first person to successfully produce revolvers in large numbers for sale.

Colt's first businesses involved making firearms in Paterson, New Jersey, and creating underwater mines. His business grew quickly after 1847, when the Texas Rangers ordered 1,000 revolvers for use during the American war with Mexico. During the American Civil War, his factory in Hartford made firearms for both the North and the South. Later, his guns were widely used by people settling the western frontier. When Colt died in 1862, he was one of the richest people in the United States.

Colt's methods of making guns were among the most advanced during the Industrial Revolution. He used parts that could be easily replaced, which helped him build products quickly using an early version of the assembly line. Additionally, he used art, famous people to promote his products, and special gifts to advertise his firearms. These strategies made him a leader in advertising, product promotion, and selling goods to many people.

Early years (1814–1835)

Samuel Colt was born in Hartford, Connecticut, to Christopher Colt (1780–1850), a farmer who later became a businessman, and Sarah (née Caldwell). His maternal grandfather, Major John Caldwell, was an officer in the Continental Army. One of Colt's earliest possessions was a flintlock pistol owned by his grandfather. Colt's mother died from tuberculosis when he was six years old. Two years later, his father married Olivia Sargeant. Colt had three sisters, one of whom died during childhood. His oldest sister, Margaret, died of tuberculosis at age 19, and another sister, Sarah Ann, later died by suicide. One brother, James, became a lawyer; another, Christopher, was a textile merchant. A third brother, John C. Colt, had many jobs but was convicted of murder in 1841 and died by suicide on the day of his execution.

At age 11, Colt worked as an apprentice for a farmer in Glastonbury, doing chores and attending school. There, he read The Compendium of Knowledge, a scientific encyclopedia, which he preferred over his Bible studies. Articles about Robert Fulton and gunpowder inspired Colt. He was motivated by stories of inventors who achieved what others thought impossible. Later, after hearing soldiers discuss the double-barreled rifle and the challenge of creating a gun that could fire five or six times without reloading, Colt decided to design such a weapon.

In 1829, at age 15, Colt worked in his father’s textile plant in Ware, Massachusetts. He had access to tools and materials, which he used to build a homemade galvanic cell. At a Fourth of July event, he advertised plans to explode a raft on Ware Pond using underwater explosives. Though the raft was missed, the explosion impressed onlookers. After a fire destroyed his boarding school in 1830, his father sent him to learn the seaman’s trade. During a voyage to Calcutta aboard the brig Corvo, Colt developed the idea for a revolver, inspired by the ratchet-and-pawl mechanism of capstans and windlasses. He built a wooden model of a pepperbox revolver using scrap wood. His design improved upon earlier models by allowing the shooter to rotate the cylinder by cocking the hammer, with a pawl locking the cylinder in alignment with a barrel.

When Colt returned to the United States in 1832, he worked for his father, who funded the production of two guns: a rifle and a pistol. The pistol exploded when fired, but the rifle worked well. His father refused to fund further development, so Colt earned money by demonstrating nitrous oxide (laughing gas) across the United States and Canada. He called himself "the Celebrated Dr. Colt of New-York, London and Calcutta." He believed that explaining scientific ideas, like nitrous oxide, could help people accept his revolver designs. He gave lectures on street corners and later in museums. When ticket sales dropped, he realized people preferred dramatic stories over lectures. While visiting his brother John in Cincinnati, he partnered with sculptor Hiram Powers to create demonstrations based on The Divine Comedy. Powers made wax sculptures of demons, centaurs, and mummies from Dante’s work, and Colt designed fireworks for the show’s finale. His public speaking skills earned him recognition as a pioneer in advertising.

After saving money, Colt sought to build guns with skilled gunsmiths in Baltimore, Maryland. He abandoned the idea of a multiple-barreled revolver and instead designed a single-barrel revolver with a rotating cylinder. The hammer’s action aligned the cylinder’s bores with the barrel. He consulted his father’s friend, Henry Leavitt Ellsworth, who loaned him $300 and advised him to perfect his prototype before applying for a patent. Colt hired gunsmith John Pearson to build his revolver. Though they had money disputes, the design improved, and by 1835, Colt was ready to apply for a patent. Ellsworth, now the superintendent of the U.S. Patent Office, advised Colt to file for foreign patents first to avoid legal issues in the United Kingdom. In August 1835, Colt traveled to England and France to secure his foreign patents.

Colt's early revolver (1835–1843)

Before Samuel Colt traveled to the United Kingdom, Elisha Collier, a man from Boston, had already visited there. Collier had created a type of gun called a revolving flintlock, which became very popular. Even though English officials were not eager to give Colt a patent, there was no reason to criticize his gun. Colt received his first patent in the United Kingdom, numbered 6909. After returning to the United States, Colt applied for a patent for a "revolving gun." He was granted this patent on February 25, 1836, later numbered 9430X. A patent dated August 29, 1836, numbered 1304, protected the basic design of Colt’s gun, which was a revolving, breech-loading, folding trigger firearm called the Colt Paterson.

With help from his cousin Dudley Selden and letters of support from Ellsworth, Colt formed a group of investors in 1836 to produce his gun. These investors had political connections, and because of this, the New Jersey legislature approved the creation of the Patent Arms Manufacturing Company in Paterson, New Jersey, on March 5, 1836. Colt received a share of the profits from each gun sold in exchange for his patent rights. The agreement also stated that Colt would regain his rights if the company stopped operating.

Colt did not claim to have invented the revolver. His design improved upon Collier’s earlier revolving flintlock by adding a locking bolt to keep the gun’s cylinder aligned with the barrel. The invention of the percussion cap made guns more reliable, faster, and safer than older flintlock designs. Colt’s most important contribution was his use of interchangeable parts. He understood that some gun parts could be made by machines and imagined that all parts of every Colt gun would be made by machines and then assembled by hand. His goal was to create an assembly line. This idea is shown in a letter Colt wrote to his father in 1836.

Colt’s U.S. revolver patent gave him exclusive rights to make revolvers until 1857. His revolver was the first practical repeating firearm, made possible by advances in percussion technology. No longer just a novelty, the revolver became an important part of industrial and cultural history. It also influenced the development of war technology, as seen in the name of one of Colt’s later inventions, the "Peacemaker."

Early problems and failures

By the end of 1837, the Arms Company had produced more than 1,000 weapons, but none had been sold. After the Panic of 1837, the company’s investors were unwilling to fund new machinery needed to make interchangeable parts. To raise money, Colt traveled to different places to show his gun. Demonstrating it in general stores did not lead to enough sales, so he borrowed money from his cousin, Selden, and traveled to Washington, D.C., to show the gun to President Andrew Jackson. Jackson liked the gun and wrote Colt a letter expressing his approval. Using this letter, Colt helped pass a bill in Congress to support a demonstration for the military, but he did not receive funding for the military to buy the weapon. A promising order for 50 to 75 pistols from South Carolina was canceled when the company failed to deliver the weapons quickly enough.

The Militia Act of 1808 created challenges for Colt. This law required that any weapons purchased by state militias must be the same as those used by the U.S. military. This rule prevented state militias from buying experimental or foreign weapons.

Colt hurt his company by spending money carelessly. Selden often scolded him for using company funds to buy expensive clothes or give costly gifts to potential customers. Selden twice stopped Colt from using company money for alcohol and fancy meals. Colt believed making customers drunk would increase sales.

The company had a short period of success during the war against the Seminoles in Florida, which led to the first sales of Colt’s revolvers and new revolving rifles. Soldiers praised the weapon, but its unusual hammerless design, which was sixty years ahead of its time, made it hard to train soldiers used to guns with visible hammers. Many soldiers took apart the locks, causing broken parts and broken screws. Colt redesigned the gun to include a visible hammer, but problems remained. In late 1843, after failing to receive payment for the Florida pistols, the Paterson plant closed. A public auction was held in New York City to sell the company’s most valuable items.

Mines and tinfoil

Colt did not stop for long before starting to make underwater electrical detonators and waterproof cable of his own design. After the Patent Arms Manufacturing Company failed, Colt worked with Samuel Morse to ask the US government for money. Colt’s waterproof cable, made from copper covered in tar, was useful when Morse laid telegraph lines under lakes, rivers, and bays. Morse also used a battery from one of Colt’s mines to send a telegraph message from Manhattan to Governors Island when his own battery was too weak.

As tensions with Britain increased by the end of 1841, Colt showed his underwater mines to the US government. This led Congress to provide money for his project. In 1842, Colt used one of his devices to destroy a moving ship, which pleased the US Navy and President John Tyler. However, John Quincy Adams, who was a US representative from Massachusetts’s 8th district, opposed the project, calling it “not fair and honest warfare” and describing the Colt mine as an “unchristian contraption.”

After this problem, Colt focused on improving tinfoil cartridges he had first created for his revolvers. At the time, gunpowder and bullets were usually stored in paper or skin envelopes called “cartridges” to make loading easier. But if the paper got wet, the powder would be ruined. Colt tried other materials, such as rubber cement, before choosing thin tinfoil. In 1841, he made samples of these cartridges for the army. During tests, 25 rounds were fired from a musket without cleaning. When the breech plug was removed, no damage from the tinfoil was found. The army was not very excited about the cartridges but bought a few thousand for more testing. In 1843, the army ordered 200,000 tinfoil cartridges, packed 10 per box, for use in muskets.

Using the money from the cartridges, Colt worked again with Morse on other ideas besides mines. Colt focused on making his waterproof telegraph cable, believing it would grow along with Morse’s invention. He tried to promote telegraph companies to create more demand for his cable, for which he would be paid $50 per mile. Colt used this money to try to restart the Patent Arms Manufacturing Company but could not get support from other investors or even his own family. This gave Colt time to improve his earlier revolver design and have a prototype for his “new and improved revolver” built by a gunsmith in New York. The new revolver had a fixed trigger and a larger bullet size. Colt sent his single prototype to the War Department as a “Holster revolver.”

Colt's Patent Manufacturing Company (1847–1860)

Captain Samuel Walker of the Texas Rangers owned some of the first Colt revolvers made during the Seminole War. He saw how effective these guns were when his small group of 15 men defeated 70 Comanches in Texas. Walker wanted to buy more Colt revolvers for the Rangers during the Mexican–American War. He traveled to New York City to find Colt. On January 4, 1847, Walker met Colt in a gunsmith’s shop and ordered 1,000 revolvers. He asked for changes: the revolvers should hold six bullets instead of five, be strong enough to harm humans or horses with one shot, and be faster to reload. This large order helped Colt start a new firearm business. He hired Eli Whitney III, a skilled gunmaker from the Whitney Armory, to produce the guns. Colt used his original design and Walker’s improvements to create a new model called the Colt Walker. Whitney made the first 1,000 revolvers. Colt then received another order for 1,000 more revolvers and shared the profits, earning $10 per gun for both orders.

With money from the sales and a loan from his cousin, Elisha Colt, Samuel Colt bought the tools and machines from Whitney to build his own factory: Colt’s Patent Fire-Arms Manufacturing Company in Hartford. The first revolvers made there were called "Whitneyville-Hartford-Dragoons" and became very popular. People began using "Colt" as a general term for revolvers. The Whitneyville-Hartford Dragoon, made mostly from leftover parts of the Walker revolver, marked the start of a new series called the Dragoon. Beginning in 1848, Colt received more orders for the Colt Dragoon Revolver. These revolvers were based on the Walker design, but each new version had small changes, like longer barrels for better accuracy, smaller chambers, and a better loading lever. The smaller chambers used less gunpowder (50 grains instead of 60) to avoid breaking the revolver’s cylinder. A new part was added to the loading lever to keep it from moving during strong shots.

Colt’s revolvers were used by soldiers and civilians during the Mexican–American War and helped expand the United States westward. In 1848, Colt made smaller versions of his pistols for civilians, called "Baby Dragoons." In 1850, General Sam Houston and General Thomas Jefferson Rusk asked the U.S. government to adopt Colt’s revolvers for the military. Rusk said, "Colt’s Repeating Arms are the most efficient weapons in the world and the only weapon that has helped frontiersmen defeat mounted Indians." A soldier named Lt. Bedley McDonald, who worked with Walker, said 30 Rangers used Colt revolvers to stop over 300 Mexicans. Colt later made the Colt 1851 Navy Revolver, which was bigger than the Baby Dragoon but smaller than the full-sized Dragoon. This model became the standard sidearm for U.S. military officers and was also popular among civilians. After Houston and Rusk’s request, the government needed Colt to supply weapons quickly. When the war with Mexico ended, Colt sent agents to sell revolvers to the Mexican government.

During this time, Colt’s patent was extended because he had not collected fees early on. In 1849, other gunmakers, James Warner and Massachusetts Arms, made revolvers that copied Colt’s design. Colt sued them, and the court ordered them to stop. In 1852, Colt threatened to sue Allen & Thurber for copying his cylinder design but settled for $15,000. Production of Allen’s revolvers continued until Colt’s patent expired in 1857. In 1854, Colt fought to keep his patent extension by asking Congress to investigate claims that he had bribed officials. He was cleared of wrongdoing, and the story became national news when Scientific American reported that politicians, not Colt, were to blame. With a monopoly on revolvers, Colt sold his guns in Europe, where demand was high due to international tensions. He encouraged countries to buy his revolvers by claiming others were doing so, creating fear of falling behind in an arms race.

Colt’s success was partly due to his strict protection of his patent. Even though he had the only legal patent for his type of revolver, many others copied his work, leading to frequent lawsuits. His lawyer, Edward N. Dickerson, used the patent system to stop competitors. However, Colt’s focus on legal battles slowed his company’s progress toward new technologies like the cartridge system and limited other companies from developing revolvers. At the same time, his strict control forced some inventors to create their own designs, leading to innovation. Colt knew his revolvers had to be affordable to avoid failure. He set prices lower than his competitors to sell more guns. From his experience with government deals, he knew how much profit he needed to improve his factory and make it harder for others to copy his work.

Despite his success, Colt missed a chance to improve firearms when he ignored an idea from his gunsmith, Rollin White. White suggested a "bored-through" cylinder to load paper cartridges from the back. Only one gun using this design was made, and it was not practical for the time. A year later, Colt’s competitor, Smith & Wesson, tried to patent a revolver using metal cartridges but found it copied White’s patent. They paid for the right to use White’s design, which kept Colt from making cartridge revolvers for nearly 20 years.

Colt bought land near the Connecticut River and built his first factory in 1848, a larger factory called the Colt Armory in 1855, a mansion named Armsmear in 1856, and housing for workers. He set rules for his factory, including a 10-hour workday, washing stations, a one-hour lunch break, and a building called Charter Oak Hall where workers could play games and read. Colt managed his factory like an army, firing workers for being late, making poor-quality work, or suggesting changes to his designs. As he set up his machines, he hired Elisha K. Root as his chief mechanic. Root had previously succeeded in automating production.

Later years and death

Before the American Civil War, Colt provided firearms to both the North and the South. He had previously sold weapons to groups fighting on both sides in European conflicts and did the same during the American war. In 1859, Colt considered building an armory in the South. By 1861, he had sold 2,000 revolvers to a Confederate agent named John Forsyth. At that time, trade with the South was not restricted, but newspapers like the New York Daily Tribune, The New York Times, and the Hartford Daily Courant accused Colt of supporting the South and betraying the Union. In response, Colt was named a colonel by the state of Connecticut on May 16, 1861, and led the 1st Regiment Colts Revolving Rifles of Connecticut, which used Colt’s revolvers. Colt planned for the unit to include men taller than six feet. However, the unit was never used in battle, and Colt was removed from his position on June 20.

Samuel Colt died from gout-related health issues in Hartford on January 10, 1862. He was first buried on the land of his home, Armsmear, and later moved to Cedar Hill Cemetery in 1894. At his death, his estate, which he left to his wife and his three-year-old son, Caldwell Hart Colt, was worth about $15 million (about $484 million in 2025). His business was managed by his brother-in-law, Richard Jarvis. The only other person mentioned in his will was Samuel Caldwell Colt, the son of his brother, John C. Colt.

According to historian William Edwards, Samuel Colt married Caroline Henshaw in Scotland in 1838. A son born to Caroline later became Samuel Colt’s child, not his brother’s. Edwards wrote that John Colt married Caroline in 1841 to legally recognize their unborn child, as Samuel Colt believed Caroline was not suitable to be the wife of an industrialist, and divorce was socially unacceptable at the time. After John’s death, Samuel Colt financially supported the child, Samuel Caldwell Colt, by giving him money and paying for his education at top private schools. In letters, Samuel Colt referred to the boy as his “nephew” in quotes. Historians like Edwards and Harold Schechter believe this was Samuel Colt’s way of showing the boy was his son without stating it directly. After Samuel Colt’s death, he left the boy about $2 million in today’s money (2010). His wife, Elizabeth Jarvis Colt, and her brother, Richard Jarvis, disputed this. In court, Caroline’s son, Sam, presented a marriage license proving that Caroline and Samuel Colt were married in 1838, making him a legal heir to part of Colt’s estate, though not the Colt Manufacturing Company.

Samuel Colt was a member of the Freemasons.

Legacy

Colt's company made over 400,000 revolvers in the first 25 years of manufacturing. Before his death, each barrel was stamped with an address: "Address Col. Samuel Colt, New York, US America" or a similar version using a London address. Colt did this because New York and London were important cities, and he kept an office in New York at 155 Broadway where he employed salesmen.

Colt was the first American manufacturer to use art for marketing when he hired Catlin to display Colt firearms in his paintings. He received many government contracts after giving highly decorated revolvers, with grips made of ivory or pearl, to government officials. During a visit to Constantinople, he gave a custom-engraved and gold-inlaid revolver to the Sultan of the Ottoman Empire, Abdülmecid I. He told the Sultan that Russians were buying his pistols, which helped secure a Turkish order for 5,000 pistols. He did not mention that he had used the same method with the Russians to get an order.

In addition to gifts, Colt used a marketing program that included sales promotions, publicity, product samples, and public relations. He gave revolvers to newspaper editors, who then wrote about accidents involving other firearms and reported cases where Colt weapons were used successfully against bears, Native Americans, and Mexicans. Colt's firearms sometimes performed poorly in official military tests. Instead, he relied on written testimonials from soldiers who used his weapons to secure government contracts.

Colt believed that negative news was as important as positive news, as long as his name and revolvers were mentioned. When he opened the London armory, he placed a 14-foot sign on the roof across from Parliament reading: "Colonel Colt's Pistol Factory." This caused a stir in British newspapers, and the British government later forced him to remove the sign. Colt historian Herbert Houze noted that Colt promoted modernism before the term was used, used celebrity endorsements, introduced the phrase "new and improved" in advertising, and showed the value of brand awareness. The French word for "revolver" is le colt, a tribute to him. Barbara M. Tucker, a history professor, wrote that Colt's marketing turned firearms into symbols of American identity, linking them to patriotism, freedom, and individualism while highlighting American technological progress over Europe.

In 1867, Colt's widow, Elizabeth, had an Episcopal church designed by Edward Tuckerman Potter built as a memorial to him and their three children who died. The church's design includes marble sculptures of guns and gun-making tools to honor Colt's life as a gunmaker. In 1896, a parish house was built on the site as a memorial to their son, Caldwell, who died in 1894. In 1975, the Church of the Good Shepherd and Parish House was added to the National Register of Historic Places.

Colt set up libraries and educational programs in his factories for his workers, training generations of toolmakers and machinists. These workers had a major influence on manufacturing efforts for the next 50 years. Notable individuals included Francis A. Pratt, Amos Whitney, Henry Leland, Edward Bullard, Worcester R. Warner, Charles Brinckerhoff Richards, William Mason, and Ambrose Swasey.

In 2006, Samuel Colt was inducted into the National Inventors Hall of Fame.