Correction - The Production of Novachord was Stopped in 1942 due to shortage of Electrical components.

Since My previous comment has excessive amount of Unnecessary detail. this will be my new one.

• Some reference images - https://bit.ly/2YrE4S4
                                              https://bit.ly/2s5LLkQ
                                              https://bit.ly/33RqlFu

• Inventors -  John M. Hanert, Laurens Hammond and C. N. Williams
• Manufactures - Hammond Organ Company
• Description - Mainly Considered as the worlds first Polyphonic synthesizer. It was first manufactured in 1939. It featured 72-voice polyphony created by divide down oscillators. It utilized 163 vacuum tubes, over 1,000 capacitors and contained Large amounts of wiring and hand sewn looms of cabling. The Production of Novachord was 1942 due to shortage of Electrical components. Only 1,069 Novachords were ever made and how much remains today is unknown.
• Usage - The Novachord featured in some iconic movies like Gone With The Wind', 'Rebecca', 'The Maltese Falcon', 'The Ten Commandments', various sci-fi classics such as 'It Came From Outer Space', 'The Beast From 20,000 Fathoms', 'This Island Earth' and eminent composers such as Elmer Bernstein, Jerry Goldsmith, Henry Mancini and Dimitri Tiomkin scored for it in films produced by Alfred Hitchcock, John huston, Cecil B. DeMille and Frederico Fellini. 
• Useful Links and My sources - http://www.novachord.co.uk/
  https://en.wikipedia.org/wiki/Novachord
  https://www.ableton.com/en/packs/novachord/

• Some reference images - https://en.wikipedia.org/wiki/File:Novachord_frontS.jpg
• Origins - It was first heard at the 1939 New York World's Fair.^^The Novachord Orchestra of Ferde Grofé performed daily at the Ford stand with four Novachords and a Hammond Organ. The first instrument was delivered to President Franklin D. Roosevelt on January 30, 1940 as a birthday present.
• Inventors - It was designed by John M. Hanert, Laurens Hammond and C. N. Williams, and was manufactured by the Hammond company.
• Description - Containing 163 vacuum tubes and over 1,000 custom capacitors ,^^the Novachord weighed nearly 500 pounds and was roughly the size of two spinet pianos. It featured 72-voice polyphony created by 'divide down' oscillators. Also each of the 72 voices had their own envelope shaper.
• Usage - The Novachord featured in some iconic movies * like '*Gone With The Wind', 'Rebecca', 'The Maltese Falcon', 'The Ten Commandments', various Frankenstein films and sci-fi classics such as 'It Came From Outer Space', 'The Beast From 20,000 Fathoms', 'This Island Earth' and many others and eminent composers such as Elmer Bernstein, Jerry Goldsmith, Henry Mancini and Dimitri Tiomkin scored for it in films produced by Alfred Hitchcock, John huston, Cecil B. DeMille and Frederico Fellini. It also appeared in TV shows such as 'The Twilight Zone', 'The Outer Limits' and 'Voyage To The Bottom Of The Sea'. It even featured in 'Hawaii Five-0'.
• Useful Links - http://www.novachord.co.uk/
  https://en.wikipedia.org/wiki/Novachord
  https://www.ableton.com/en/packs/novachord/