MICHAEL FARADAY invented radio, he demonstrated the transmission and reception of a radiogram. ЕМIL LENZ studied the effects of the electric current flow on the magnetic needle. NIKOLA TESLA invented the first induction motor which has become the basic prime mover to run the wheels of industry today. GUSTAV ROВERT KIRCННOFF stated the law of electrostatic and magnetic interaction. ALEXANDER S. POPOV discovered electromagnetic induction. He produced an electric current bу means of a magnetic field.