 | Ivan Petrovich Kulibin was a Russian mechanic and inventor. He was born in Nizhny Novgorod in... more » |
 | Ivan Kuznetsov is a kindergarten teacher. He is known as the inventor of acupressure mat. more » |
 | Ivan Vasilyevich Plotnikov was a Russian engineer and inventor of kirza, a type of artificial... more » |
 | Ivan Ivanovich Polzunov was a Russian inventor. He created the first steam engine in Russia and... more » |
| Ivan Pavlovich Pulyui was a Ukrainian-born physicist, inventor and patriot who has been... more » |
 | Ivan Grigoryevich Vyrodkov was a Russian military engineer, inventor, and diak. Ivan Vyrodkov's... more » |
| Ivor Spencer-Thomas was an inveterate inventor and improviser, in the forefront of developing... more » |
