50 Fun Facts About Guglielmo Marconi

In which Italian city was Guglielmo Marconi born in 1874?

The city's airport now carries his name, and his mausoleum is at nearby Pontecchio.

Marconi's mother Annie was the granddaughter of the founder of which famous brand?

Her Irish and British connections help explain why so much of his career unfolded in Britain.

Where in England did Marconi live with his mother and brother between the ages of two and six?

His father even took British citizenship in 1877, so Marconi could have opted for it too.

What kind of schooling did the young Marconi receive?

A Livorno physics teacher, Vincenzo Rosa, taught the 17-year-old the new theories of electricity.

Which physics professor let the young Marconi use his university's laboratory and library?

Righi's article on Hertz's work rekindled Marconi's interest in wireless telegraphy.

Which physicist demonstrated in 1888 that electromagnetic radiation could be produced and detected?

The waves were called 'Hertzian waves' at the time; Maxwell had predicted them on paper.

Marconi's attic laboratory at Villa Griffone was nicknamed the 'Stanza dei Bachi' after what?

The room had been used for raising silkworms; his butler Mignani helped with the experiments.

What did Marconi's 1894 'storm alarm' detect?

It was just a battery, a coherer and an electric bell.

What early radio-wave detector, based on Édouard Branly's work, did Marconi refine for his receiver?

It changed electrical resistance when exposed to radio waves; a magnetic detector replaced it in 1902.

Roughly what maximum range had Oliver Lodge predicted for radio waves?

Raising the antenna and grounding the equipment then carried signals about 2 km, over a hill.

Which two changes gave Marconi his 1895 range breakthrough?

The signal cleared the Celestini hill about 2 km away using a vertical antenna and a buried metal plate.

According to legend, what did an Italian minister scrawl on Marconi's funding request?

The letter has never been found; the ministry simply never replied.

What happened to Marconi's apparatus when he arrived at Dover in 1896?

Britain was jittery about Italian anarchists at the time.

Which General Post Office engineer became Marconi's key early supporter in Britain?

He presented Marconi's work in lectures titled 'Telegraphy without Wires' and 'Signalling through Space without Wires'.

Marconi's first patent, British number 12039, was applied for in which year?

It was the first patent for a communication system based on radio waves.

Marconi's first wireless message over open sea, in May 1897, crossed which body of water?

It went from Flat Holm Island to Lavernock Point near Cardiff and read 'Are you ready'.

Marconi's system reported which 1898 sporting event live, an early use of wireless for news?

The next year the New York Herald invited him to cover the America's Cup off Sandy Hook.

The first wireless distress signal, in March 1899, came from which vessel?

It called for help on behalf of the merchant ship Elbe, aground on the Goodwin Sands.

Which stretch of water did Marconi's signal cross on 27 March 1899, from Wimereux to South Foreland?

He set up an experimental base at the Haven Hotel in Poole Harbour the same year.

From which Cornish station was the first transatlantic signal transmitted in December 1901?

A granite obelisk on the cliff top now marks the site.

Where did Marconi report hearing the transatlantic letter S on 12 December 1901?

The antenna hung from a kite; storms had wrecked his original Cape Cod receiving gear.

Why do historians still debate the 1901 transatlantic reception?

Marconi and his assistant listened through a telephone receiver for the repeated letter S.

Which Indian scientist's 1899 detector design is linked by the Science Museum to the 'Italian Navy' device of 1901?

Marconi obtained the device through Lieutenant Luigi Solari of the Royal Italian Navy.

Which two heads of state exchanged wireless greetings via the South Wellfleet station in January 1903?

The US National Park Service calls it the first public two-way wireless communication between Europe and America.

A transatlantic radiotelegraph service opened in 1907 between Glace Bay and which Irish town?

Reliable transatlantic communication remained difficult for several more years.

Marconi shared the 1909 Nobel Prize in Physics with which German physicist?

The citation recognised 'their contributions to the development of wireless telegraphy'.

Which 1909 collision, off Nantucket, first showed the life-saving value of maritime wireless?

Operator Jack Binns's repeated CQD calls helped rescue more than 1,500 people.

Titanic's radio operators Jack Phillips and Harold Bride were employed by whom?

Bride survived; Marconi boarded the rescue ship Carpathia in New York to speak with him.

Marconi was offered free passage on Titanic but took which ship three days earlier?

According to his daughter, he preferred that liner's public stenographer for his paperwork.

Which singer gave one of Britain's first entertainment broadcasts from Marconi's Chelmsford works in 1920?

Marconi stations 2MT and 2LO then paved the way for the British Broadcasting Company.

What was the name of Marconi's steam yacht, converted into a floating laboratory?

Seized by the Kriegsmarine in 1943, she was sunk by the RAF the following January.

Where did Marconi and his first wife Beatrice O'Brien honeymoon in 1905?

The Poole Harbour island belonged to his friends the van Raaltes.

Which pope commissioned Marconi to build Vatican Radio in 1931?

Marconi introduced the first papal broadcast himself on 12 February that year.

Which noble title did King Victor Emmanuel III grant Marconi in 1929?

His son Giulio became the 2nd Marchese di Marconi.

Marconi was appointed to which Italian body in 1914 for services to the nation?

During the First World War he held army and navy technical posts, ending as a reserve rear admiral in 1936.

Which political movement did Marconi formally join in 1923?

He later presided over the National Research Council and the Royal Academy of Italy.

Marconi died in 1937 in which city?

Radio transmitters around the world fell silent for two minutes at the hour of his funeral.

How did radio stations worldwide honour Marconi at the time of his funeral?

The British Post Office also asked all broadcasting ships to observe it.

The town of Sasso Bolognese and the village of Pontecchio were renamed after Marconi in which year?

His mausoleum at Villa Griffone, by architect Marcello Piacentini, was completed in 1941.

Whose earlier work did the Supreme Court cite in 1943 in voiding a Marconi patent's claims?

The ruling did not touch Marconi's original radio-transmission patent.

The Royal Mint issued a commemorative £2 coin in 2001 to mark the centenary of what?

Italy had marked his birth centenary in 1974 with a 100 lire coin.

Which of these is NOT named after Marconi?

Asteroid 1332 Marconia and a far-side Moon crater both carry his name.

Who helped the 20-year-old Marconi build equipment in the attic of Villa Griffone?

The family villa at Pontecchio is now the Marconi Museum and the site of his mausoleum.

Under what name did Marconi found his UK business in 1897?

It later became simply the Marconi Company; its Canadian arm was bought by English Electric in 1953.

By March 1897, Marconi had sent Morse signals about three miles across which English site?

Two months later he sent the first wireless message over open sea, across the Bristol Channel.

Which two Marconi Company stations of 1922 helped pave the way for the British Broadcasting Company?

2LO broadcast from Marconi House in London and 2MT from Writtle near Chelmsford.

Which Italian institution did Marconi head from September 1930 until his death?

He had become president of the National Research Council in 1927; the Academy post also placed him on the Fascist Grand Council.

At which Dorset establishment did Marconi set up an experimental base with a 100-foot mast?

He was friends with the van Raaltes of nearby Brownsea Island and often moored his yacht Elettra there.

How many children did Marconi have with his first wife, Beatrice O'Brien?

Daughters Lucia, Degna and Gioia and son Giulio, who became the 2nd Marchese di Marconi.

Which architect designed the mausoleum at Villa Griffone where Marconi was reburied in 1941?

A funerary monument to Marconi also stands in the Basilica of Santa Croce in Florence.