Charles Bourseul thought of the telephone before Bell!

Charles Bourseul, born in Brussels in 1829, described the working principle of the telephone more than twenty years before Alexander Graham Bell. Meet the forgotten pioneer.

In 1854, a young Belgian-born telegraph engineer sitting in Paris wrote down an idea that should have changed the world. He described, in clear and careful prose, how a vibrating disc could use electrical current to transmit the human voice across a wire. It was, in essence, the telephone. And it was conceived 22 years before Alexander Graham Bell ever spoke a word into one.

His name was Charles Bourseul. You almost certainly haven’t heard of him.

Born in Brussels, raised in France

Charles Bourseul was born in Brussels on 28 April 1829, the son of a French army officer stationed near the French embassy. The family did not linger long in Belgium. His father’s career pulled them back across the border, and Charles grew up in the northern French city of Douai, with Brussels little more than a birthplace on paper.

France has always claimed him as one of her own. Given that he lived, worked, studied, and died on French soil, the claim is not unreasonable. But for those of us who take quiet pride in the remarkable people this small country has produced, the fact of his Brussels birth is worth noting. The telephone, it turns out, may have had its wires laid in Belgium.

After his education, Bourseul went to work as a civil engineer and mechanic for the French telegraph service. This was the communications network of its day, the internet of the 19th century. He was good at his job, improving on the telegraph systems designed by the French instrument maker Louis-François Breguet and the American inventor Samuel Morse. But his mind was reaching further.

The idea that was decades ahead of its time

In August 1854, Bourseul published an article in the Parisian magazine L’Illustration under the title ‘Transmission Électrique de la Parole‘ (the electrical transmission of speech). In it, he laid out a concept of striking clarity and prescience.

He imagined a flexible disc, sensitive enough to capture the vibrations of a human voice. That disc would alternately make and break an electrical current in precise rhythm with those vibrations. At the other end of the wire, a second disc would receive those same interruptions and reproduce the original sound. His logic was elegant and sound.

“It is certain, that, in a more or less distant future, speech will be transmitted by electricity.”

He was not writing fantasy. He had already conducted experiments. He had built a rudimentary prototype, an electromagnetic microphone, and submitted it, along with his article, to the telegraph administration for review.

They told him to get back to work.

Dismissed, discouraged, and forgotten

The officials who reviewed Bourseul’s proposal saw it as a distraction at best, an impractical curiosity at worst. Anxious about his career, and with good reason too, Bourseul set the idea aside and returned to the daily business of telegraphy. He never pursued telephony again.

It is one of the quiet tragedies of invention history: the man who saw it first, who had the courage to publish it, who even had the tools in his hands, simply stopped. Not because he was wrong, but because the people around him lacked the imagination to see what he had.

His ideas did not vanish entirely. By the 1860s and 1870s, they were circulating among scientists and engineers across Europe and America. The 1872 American book The Wonders of Electricity discussed his system and spread his thinking to a wider audience.

But by then, others were racing to build what Bourseul had only described.

In 1876, Alexander Graham Bell patented the telephone and became, in the popular imagination, its sole inventor. The debate over who truly deserves that title has never quite settled. Italian-American inventor Antonio Meucci, German physicist Philipp Reis, and Bourseul himself all have their advocates. But Bell had the patent, the backing, and the timing. History, more often than not, rewards completion over conception.

Recognition, late and partial

Charles Bourseul died on 23 November 1912, in the small French town of Saint-Céré, at the age of 83. He had lived long enough to see the telephone transform the world, and long enough to know that his name would not be attached to it.

France, to its credit, has not entirely forgotten him. He was eventually awarded the Légion d’honneur, the country’s highest civilian distinction, though the recognition came late. A French academic paper from 1978 called him ‘un Occitan d’adoption‘ (an adopted son of the Occitan region of southern France) and credited him as the telephone’s true inventor. Britannica acknowledges him as the first person to suggest that speech could be transmitted electrically.

But in the broader sweep of popular history, Bourseul remains a footnote. A pioneer. A man who pointed at the horizon and then watched someone else cross it. And he was born in Belgium.

Frequently Asked Questions

Did Charles Bourseul invent the telephone?

Bourseul was the first person to publish a clear description of how a telephone could work, doing so in 1854, more than two decades before Alexander Graham Bell’s 1876 patent. He built an early prototype but never completed a working receiver. Whether this makes him the ‘inventor’ depends on how you define the word: he conceived the idea and published it first, but Bell was the first to make it work reliably.

Was Charles Bourseul Belgian or French?

He was born in Brussels, Belgium, on 28 April 1829, making him Belgian by birth. His father was a French army officer, and the family moved to France shortly after his birth. Bourseul spent his entire life and career in France, and is generally claimed by France as a French inventor, though his Belgian birth is a matter of historical record.

Why is Charles Bourseul not more famous?

Bourseul published his idea but was discouraged by telegraph officials from pursuing it further. He abandoned his telephony experiments and never built a working device. Alexander Graham Bell, who patented a working telephone in 1876, received the credit that came with completion. In the history of invention, being first to imagine something rarely counts for as much as being first to make it work.

What is the ‘make and break’ telephone?

Bourseul’s concept was based on a vibrating diaphragm that would alternately make and break an electrical circuit in time with the vibrations of the human voice. This is sometimes called the ‘make and break’ principle. It was a workable theoretical model, though his prototype never successfully converted the electrical signals back into clear speech at the receiving end.

More biographies of inventors and scientists here on Famous Belgians.

Denzil Walton

I created Discovering Belgium in 2011 to share the country’s hidden stories, fascinating places, and remarkable people. Through articles, photography, and audio walks, I share discoveries that reveal Belgium beyond the obvious. Hope you enjoy this site.