Did Bach Invent Equal Temperament?

Did Bach Invent Equal Temperament? Did Bach invent equal temperament? Bach didn’t use equal temperament. Neither did Mozart nor Beethoven or any of their contemporaries. They used unequal temperaments — also known as, you guessed it, Well-tempered. In the Well-Tempered Clavier, Bach celebrated unequal tempered tuning, not today’s equal tempered tuning. Did Bach invent well