The World Saw In Black And White In 1940 — Until A Young Mexican Of 23 Years Created The Color TV

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The Extraordinary Journey of Guilmo Gonzalez Kamarena: The Man Who Brought Color to Television

In the late 1930s, the world was captivated by the fledgling technology of television. It was a time when black-and-white images flickered on screens, and only a select few wealthy families in New York owned televisions. The major corporations, like RCA and CBS, were pouring millions into research and development, determined to crack the code for color broadcasting. However, in a modest workshop in Mexico City, a 21-year-old named Guilmo Gonzalez Kamarena was on the verge of a groundbreaking discovery that would change the course of television history forever.

Guilmo was born on February 17, 1917, in Guadalajara, Mexico, the youngest of seven siblings. After losing his father at a young age, his family moved to Mexico City in search of better opportunities. While other children played outside, Guilmo found solace in his basement, surrounded by wires and electrical circuits. By the age of eight, he had built his first radio transmitter using parts scavenged from the trash. By twelve, he had established his own amateur radio station, much to the bewilderment of his neighbors.

His insatiable curiosity led him to devour technical books on radio and electricity, all self-taught since his family couldn’t afford professional equipment. At just 13, he enrolled in a mechanical and electrical engineering school, where he was first introduced to television technology. Seeing those black-and-white images flicker on the screen sparked a dream within him: if television could exist in black and white, surely it could be made to display color.

But creating color television was no simple task. Engineers knew that black-and-white television transmitted a single channel of information—light and dark. In contrast, human color perception relies on three primary colors: red, green, and blue. This meant that Guilmo would need to capture three images simultaneously, encode them without interference, transmit them through the air, and then synchronize them perfectly in the receiver to reconstruct a full-color image. The complexity of this task was daunting, especially given the technology of 1938, which relied on vacuum tubes and mechanical components.

While RCA and CBS had hundreds of engineers working on the problem with vast budgets, Guilmo worked alone in his makeshift workshop. Yet, he had something they didn’t: an innovative idea. Rather than attempting to transmit three colors at once, he envisioned a sequential transmission method. His breakthrough came when he designed a spinning disc with three transparent color filters—red, green, and blue. This disc would rotate in front of the camera, capturing the scene three times, one for each color. The images would then be transmitted in quick succession, so fast that the human eye would perceive them as a single full-color image.

With determination and ingenuity, Guilmo crafted every piece of his invention by hand. He tested it in his house on Aubber Street in the Huarez neighborhood of Mexico City. His brother, Jorge, a renowned painter and muralist, was likely the first person to witness the magic of color television as it sprang to life. Guilmo had solved the problem of color broadcasting before RCA, CBS, or any other corporation could even dream of doing so.

However, the real challenge lay ahead: protecting his invention. On August 19, 1940, Guilmo nervously walked into the patent office in Mexico, clutching the plans for his invention. He submitted his application for patent number 40235, which detailed his sequential triromatic field system—the technical name for his ingenious disc. Just ten days later, CBS conducted its first public demonstration of color television in New York, presenting a system similar to Guilmo’s. But there was a crucial difference: while Peter Carl Goldmark, the Hungarian engineer behind CBS’s system, had unlimited corporate resources at his disposal, Guilmo was just a young man working alone in Mexico.

On September 15, 1942, Guilmo received the U.S. patent for his color television system, a monumental achievement for a 23-year-old Mexican inventor. He had triumphed over the giants of the industry. Yet, unbeknownst to him, his real battle was just beginning.

Guilmo showcased his invention in public demonstrations throughout Mexico, and by 1951, he was transmitting color surgeries from Huarez Hospital. In 1952, he founded Channel 5, and by 1963, he had conducted the first commercial color TV broadcast in Mexico. His technology was not only functional but also respected; NASA would later use a similar system on the Voyager missions to capture images of Jupiter, thanks to Guilmo’s sequential method, which provided more accurate colors for scientific purposes.

Despite his successes, the landscape of television technology was shifting in the United States. RCA and CBS were locked in fierce competition for market dominance, and the reality was that, in the world of technology, the best inventor does not always win—often, it is the one with the most money who prevails. In 1950, the Federal Communications Commission temporarily approved the CBS system, which utilized the same sequential principle that Guilmo and Goldmark had developed. However, CBS’s system had a critical flaw: it was incompatible with the millions of existing black-and-white televisions in American homes, meaning consumers would have to purchase new sets.

In contrast, RCA had developed a completely different system—the NTSC—which was complex and costly but compatible with older TVs. In 1953, the FCC reversed its decision, adopting RCA’s NTSC as the American standard. This decision was not based on technical superiority but rather on RCA’s ability to manufacture millions of TVs and influence networks to dominate the market.

Throughout this tumultuous period, Guilmo received numerous offers from American universities and private investors, some for substantial sums of money. Yet he turned them all down, driven by a desire to see his invention developed in Mexico. He wanted his country to be the first to enjoy the benefits of mass color television. This patriotism, while admirable, ultimately cost him the recognition he deserved on the global stage. Without the backing of a wealthy corporation, inventors like Guilmo often fade into obscurity, their contributions forgotten.

Beyond his accomplishments as an inventor, Guilmo was a man of many talents. He was a composer, and his song “Rio Colorado” became a commercial hit, providing him with royalties that funded much of his research. He was also an amateur astronomer, spending nights gazing at the stars through his telescope. A passionate advocate for education, he believed television should serve as a tool for learning and literacy, especially in rural communities. He collaborated with the Secretariat of Public Education to develop the “telescaria” system, which broadcast secondary education to areas lacking teachers. Today, millions of students in Mexico still benefit from this educational initiative.

Tragically, Guilmo’s life was cut short on April 18, 1965, when he died in a car accident at the age of 48 while inspecting a transmitter for Channel 5. Just ten days earlier, he had unveiled his latest invention at the New York World’s Fair—a simplified color system designed to make color television accessible to the poorest communities worldwide. His untimely death left that dream unfinished, but he left behind a powerful legacy.

For decades, the world had viewed innovation through a narrow lens, believing it could only emerge from certain places, corporations, or countries with vast resources. Guilmo Gonzalez Kamarena shattered that perception. Working alone in an improvised workshop, he demonstrated that true innovation is born from talent, obsession, and courage—not from the size of a budget or the power of a corporation. His story is a testament to the limitless potential of human ingenuity and serves as a reminder that dreams do not recognize borders or budgets.

Guilmo Gonzalez Kamarena’s life and work inspire countless inventors and dreamers, proving that with passion and determination, anything is possible. He was the young man who brought color to the world and taught us that true innovation can come from the most unexpected places. His legacy continues to resonate, reminding us that the spirit of invention knows no boundaries, and that anyone, regardless of their circumstances, can change the world.