The term 'Synthesizer Maker' refers to the company Moog, which is a four-letter word. Moog is an American engineering and manufacturing company founded by Robert Moog in 1953. The company is best known for its electronic musical instruments, such as synthesizers, theremins, and sequencers. Moog's products have been used by many famous musicians, including The Beatles, The Rolling Stones, and Kraftwerk. Moog has also developed a range of other products, such as audio processors, amplifiers, and effects units.