Johann Sebastian Bach. German musician and composer of the early-mid 18th century, specialized in harpsichord, orgue, piano, strings. Theoretician
and first executor
of the "well-tempered" tuning system in which
all keys of different keyboards sound in tune, as in today's standards. Inventor of fugues, skilled musical, almost mathematical riddle master. The David Hilbert
-"Wow, you play mean piano! Which
music college did you go to?"
-"None, my grandma just forced me to practice Bach as a child".