 | Sir Rowland Hill KCB, FRS was an English teacher, inventor and social reformer. He campaigned... more » |
 | Roxey Ann Caplin was a British writer and inventor. more » |
 | Roy Levien is in the Top 60 all-time most prolific inventors in the world, with over 380 issued... more » |
| Roy E. Weatherby was the founder and owner of Weatherby, Inc., an American rifle, shotgun and... more » |
| Royal Earl House was the inventor of the first printing telegraph, which is now kept in the... more » |
 | Royal Page Davidson was an American educator and inventor. more » |
 | Reuben Garrett Lucius "Rube" Goldberg was an American cartoonist, sculptor, author, engineer and... more » |
 | Rudolf Christian Karl Diesel was a German inventor and mechanical engineer, famous for the... more » |
 | Rudolf Frommer was a Hungarian weapon designer. He was raised to the Hungarian nobility with the... more » |
.jpg/299px-Rudolf_Hell_führt_seinen_Wetterkartenschreiber_vor_(Kiel_44.592).jpg "Rudolf Hell") | Rudolf Hell was a German inventor. He was born in Eggmühl, Germany. From 1919 to 1923 he studied... more » |
 | Rudolph Ackermann was an Anglo-German bookseller, inventor, lithographer, publisher and businessman. more » |
 | Porter. Rufus M. Porter was an American painter, inventor, and founder of Scientific American... more » |
 | Rufus Stokes, an American inventor, was born in Phenix City, Alabama. more » |
 | Rune Elmqvist developed the first implantable pacemaker in 1958, working under the direction of... more » |
| Russ Hornsby is the creator of Zhu Zhu Pets. more » |
| Russell Poldrack, Ph.D. is Professor of Psychology and Neurobiology and Director of the Imaging... more » |
 | Ruth Graves Wakefield was the inventor of the Toll House Cookie, the first chocolate chip... more » |
 | Ruth Marianna Handler was an American businesswoman and inventor. She served as the president of... more » |
| Ruth Miriam Siems was the home economist who created Stove Top Stuffing. A native of Evansville,... more » |
| Ryan Patterson is an inventor. more » |
| Ryan Peacock was a graduate student in Chemical Engineering at Stanford University. more » |
 | Ryōichi Yazu was a Japanese inventor. He is best known for his invention of Japan's first... more » |
