Кто оригинальный композитор песни "Let's Go to San-Francisco"?

Composed in 1967. by John Carter and Ken Lewis ,"Let's Go to San Francisco" is the only UK-charting single by the British pop group “The Flower Pot Men”, group which sound was characterized by rich, three-part vocal harmonies.
https://youtu.be/NSW_hD-nR5g
https://en.wikipedia.org/wiki/Let's_Go_to_San_Francisco