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Karl Freiherr von Drais (full name: Karl Friedrich Christian Ludwig Freiherr Drais von Sauerbronn; 29 April 1785 – 10 December 1851) was a noble German forest official and significant inventor in the Biedermeier period. He was born and died in Karlsruhe. He is seen as "the father of the bicycle". [1]
Wooden dandy horse (around 1820), a patent-infringing copy of the first two-wheeler Original Laufmaschine of 1817 made to measure.. The dandy horse, an English nickname for what was first called a Laufmaschine ("running machine" in German), then a vélocipède or draisienne (in French and then English), and then a pedestrian curricle or hobby-horse, [1] or swiftwalker, [2] is a human-powered ...
It is the first reliable claim for a practically used precursor to the bicycle, basically the first commercially successful two-wheeled, steerable, human-propelled machine, nicknamed hobby-horse or dandy horse. [1] Drais's dandy horse, called Draisine in German, whose name was inherited by the rail vehicle. (Drawing published in 1817.) Later ...
The construction of the boneshaker was similar to the dandy horse: wooden wheels with iron tires and a framework of wrought iron. As the name implies it was extremely uncomfortable, but the discomfort was somewhat ameliorated by a long flat spring that supported the saddle and absorbed some of the shocks from rough road surfaces.
One, the scooter-like dandy horse or celerifere of the French Comte de Sivrac, dating to 1790, was long cited as the earliest bicycle, however, most historians now believe these unsteerable hobby-horses probably never existed, but were made up by Louis Baudry de Saunier, a 19th-century French bicycle historian.
Meyer invented the wire-spoke tension wheel in 1869 and produced a classic high bicycle design until the 1880s. A penny-farthing or ordinary bicycle photographed in the Škoda museum in the Czech Republic. James Starley in Coventry added the tangent spokes and the mounting step to his famous bicycle named "Ariel". He is regarded as the father ...
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup
A bicycle is a two wheeled vehicle driven by the riders feet pushing on cranks or pedals. A common misconception is that the earliest form of bicycle was the dandy-horse, which was pushed along by the rider's feet. However, while both the dandy-horse and the later bicycle are both velocipedes, the dandy-horse is not propelled by cranks.