Poliakoff's paternal grandfather, Joseph, was a Russian Jew who experienced first-hand the effects of the communist revolution in Russia from the family's Moscow flat across from the Kremlin. Near starvation after the revolution, he was given a government job as a district telephone inspector from an admiring commissar and he helped build Moscow's first automatic telephone exchange. He then fled with his family from the newly Stalinist Soviet Union to the UK in 1924 Poliakoff was an Inventor of electrical devices whose many inventions included a selenium photograph telephony shutter in 1899 (US patent 700,100, 26 August 1901), which, along with electrical sound amplification, allowed for synchronised audio on film, the radio volume control, a magnetic induction loop that allowed hearing-impaired people to hear in auditoriums or theatres, and the paging beeper. He also founded the Multitone Electric Company of London in 1931 that produced hearing aid devices with their most prestigious client being Winston Churchill.