 | Robert Gilmour LeTourneau, was born in Richford, Vermont, and was a prolific inventor of... more » |
 | Raimondo di Sangro, Prince of Sansevero was an Italian nobleman, inventor, soldier, writer and... more » |
| Rainer Kramer was an inventor affiliated with Stanford University. more » |
| Ralf Hotchkiss is an inventor and Whirlwind wheelchair designer whose company, Whirlwind... more » |
| Ralph E. Chambers was an engineer, inventor and builder of amusement rides in Beaver Falls,... more » |
 | Ralph Baer is a German-American video game pioneer, inventor, engineer, known as "The Father of... more » |
 | Ralph Vinton Lyon Hartley was an electronics researcher. He invented the Hartley oscillator and... more » |
| Ralph Hurd is Chief Scientist at GE Healthcare. more » |
| Ralph R. Radabaugh was an inventor. more » |
| Ralph Tony Sarich is a Western Australian businessman and engineer, inventor of the Orbital... more » |
| Ralph Schneider, of Diners Club International, invented the credit card. more » |
| Ralph Stewart Hall was a businessman and inventor. more » |
| Ralph Teetor was a prolific inventor who invented cruise control. He was the longtime president... more » |
| Ralph Wedgwood was an English inventor and member of the Wedgwood family of potters. His most... more » |
 | Ransom Eli Olds was a pioneer of the American automotive industry, for whom both the Oldsmobile... more » |
| Raoul Grimoin-Sanson was an inventor in the field of early cinema. He was born in Elbeuf, as... more » |
.jpg/221px-Rasmus_Malling-Hansen_(Malthe_Engelstedt_painting).jpg "Rasmus Malling-Hansen"){kind=spacer} | Rasmus Malling-Hansen was a Danish inventor, minister and principal at the Royal Institute for... more » |
 | Rasmus Jonassen Sørnes, was a Norwegian inventor, clockmaker and radio technician, and is most... more » |
 | Raúl Pateras Pescara de Castelluccio, marquis of Pateras-Pescara, was an engineer and inventor... more » |
 | Ray Milton Dolby, OBE was an American engineer and inventor of the noise reduction system known... more » |
 | Raymond "Ray" Kurzweil is an American author, inventor, futurist, a director of engineering at... more » |
| Otis Ray McIntire was born in Gardner, Kansas on August 24, 1918. After graduating from the... more » |
| Raymond Samuel Tomlinson is a US programmer who implemented an email system in 1971 on the... more » |
| Raymond Alvah Hanson, was an entrepreneur, inventor and engineer who lived in Spokane,... more » |
| Raymond Elmer DeWalt invented the radial arm saw in 1922. In 1924, he founded DeWALT Products... more » |
