John Stone Stone

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John Stone Stone

John Stone Stone (born September 24, 1869 in Manakin-Sabot , Virginia , † May 20, 1943 in San Diego ) was an American mathematician, physicist and inventor. His father, Charles Pomeroy Stone was an engineer, a general in the American Civil War and then served as aide-de-camp of Ismail Pasha . His mother was Jeannie Stone.

Life

Until 1869 John grew up in Cairo and was tutored by his father. Upon return, he attended Columbia Prep, Columbia University and Johns Hopkins University . In 1896 he was elected to the American Academy of Arts and Sciences . After research work at AT&T in Boston and at the Massachusetts Institute of Technology , he became director, vice president and chief engineer of the newly founded company Stone Telegraph & Telephone Co. , of which he was president from 1908 to 1910. The company built transmitters for the US Navy . In 1907 he founded the Society of Wireless Telegraph Engineers (SWTE) in Boston , of which he was president until 1909. After this time he worked as a consultant and patent expert. From 1920 he worked again for AT&T, this time as a consultant for the research and development department. He held this position for 15 years. In 1923 he received the Medal of Honor from the Institute of Radio Engineers (IRE), where he was also represented on the board from 1912 to 1917, after the merger of SWTE and IRE.

Inventions

Stone achieved many advances in telephony and radio telegraphy. At Bell he succeeded in inventing the Stone Common Battery System (with coils between the battery and telephone lines) and was involved in the development of new methods of uniform inductive charging of telephone cables.

He held several patents. One was only confirmed against Guglielmo Marconi's similar system after his death . He was also the author of various publications. The most important was The Practical Aspects of the Propagation of High Frequency Waves Along Wires (German: Practical Aspects of the Amplification of High Frequency Waves in Cables). For this work he received the Edward Long Strength Medal of the Franklin Institute in 1913 .

Individual evidence

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