Claude Chappe

Claude Chappe was a French inventor who in 1792 demonstrated a practical semaphore system that eventually spanned all of France. His system consisted of a series of towers, each within line of sight of others, each supporting a wooden mast with two crossarms on pivots that could be placed in various positions.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

• Claude Chappe was born 2 years before Nicéphore Niépce
• Claude Chappe was born 2 years before Eli Whitney
• Claude Chappe was born 2 years before Charles Hatchett
• Claude Chappe was born 3 years before Charles Macintosh
• Claude Chappe was born 4 years after William Playfair

Timeline

1. William PlayfairSeptember 22, 1759 – February 11, 1823
2. Claude Chappe (this page)December 25, 1763 – January 23, 1805
3. Charles HatchettJanuary 2, 1765 – February 10, 1847
4. Eli WhitneyDecember 8, 1765 – January 8, 1825
5. Nicéphore NiépceMarch 7, 1765 – July 5, 1833
6. Charles MacintoshDecember 29, 1766 – July 25, 1843

Related

• Thomas EdisonFebruary 11, 1847 – October 18, 1931
• Steve JobsFebruary 24, 1955 – October 5, 2011
• Nikola TeslaJuly 10, 1856 – January 7, 1943
• Henry FordJuly 30, 1863 – April 7, 1947
• Elon MuskJune 28, 1971 – present
• Alfred NobelOctober 21, 1833 – December 10, 1896
• Leonhard EulerApril 15, 1707 – September 18, 1783
• Michael FaradaySeptember 22, 1791 – August 25, 1867