Fleming, Sir John Ambrose

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Fleming, Sir John Ambrose,

1849–1945, English electrical engineer. He was a leader in the development of electric lighting, the telephone, and wireless telegraphy in England and the inventor of a thermionic valve (the first electron tube). Fleming was a professor at the Univ. of London and at University College and was knighted in 1929. Among his many publications are Fifty Years of Electricity (1921) and The Propagation of Electric Currents in Telephone and Telegraph Conductors (1911).


See his Memories of a Scientific Life (1934).

References in periodicals archive ?
Sky Sports pundit Walker met refs chief John Fleming and whistler Steven McLean at Hampden on Thursday - and was taken aback by their attitude to the SFA appeals process.
Well gaffer Stuart McCall last nightconfirmedhewillcomplain to SFA refs' chief John Fleming about Iain Brines - claiming the whistler cost his side victory.
John Fleming (R-LA), acknowledged that, "the military is 99.
Fota had been bought for [euro]90 million by John Fleming before it was transferred to NAMA.
TENOR saxophonist John Fleming won the BBC Scotland Young Jazz Musician Of The Year Award in 2010.
John Fleming, chairman of the Kirkby Residents' Action Group and Knowsley Trade Union Congress spokesman, said: "Lots of residents in Kirkby feel that their town is just becoming a dumping ground.
John Fleming, Ford executive vice president of global manufacturing said, Producing 350 million vehicles is equivalent to producing one vehicle every 10 seconds for our 109-year history.
Her entitlement changed the moment John Fleming moved into her South Tyneside home and the couple began living together as man and wife.
The five-piece is a new one led by two Birmingham Conservatoire grads, John Fleming on tenor saxophone and Matt Gough on trumpet.
Bishop John Fleming said he was deeply sad at the passing of his predecessor, who was first ordained as a priest in Maynooth in 1951.
DUNDEE United manager Peter Houston will seek "clarification" from the Scottish Football Association's head of referee development, John Fleming, after claiming referee Iain Brines told him "on another day" he would have booked Celtic midfielder Beram Kayal for a foul on Craig Conway.
10, John Fleming, executive vice president, Global Manufacturing and Labor Affairs, Ford Motor Company, (NYSE: F) will participate in a question-and-answer session at the Goldman Sachs 2010 Global Automotive Conference in London.