Nikolai Kachalov

Nikolai Katschalow ( Russian: Николай Качалов ) is the name of the following people:

• Nikolai Nikolajewitsch Katschalow (1883–1961), Russian chemist and university professor
• Nikolai Nikolajewitsch Katschalow the Elder (1852–1909), Russian officer, electrical engineer and university professor

This is a disambiguation page for differentiating between several terms identified with the same word.