- Hoffmann, Heinz1
- Holkeri, Harri1
- Hope, Bob1
- Ilku, Pál1
- Ioffe, Abram1
- Jara, Victor1
- Kapitsa, Piotr1
- Karmal, Babrak1
- Karpov, Anatolii1
- Karpov, Lev1
- Keldysh, Mstislav1
- Kibalchich, Nikolai1
- Kolesnikov, Sergei1
- Konev, Ivan1
- Korolenko, Evgenii1
- Krebs, Evgenii1
- Krzhizhanovskii, Gleb1
- Kulibin, Ivan1
- Kurdiumov, Georgii1
- Károlyi, Antal1