John Francis "Jaco" Pastorius III was an American jazz bassist, composer, and producer. Widely regarded as one of the greatest and most influential bassists of all time, Pastorius recorded albums as a solo artist, band leader, and as a member of the jazz fusion group Weather Report from 1976 to 1981. He also collaborated with numerous artists, including Pat Metheny and Joni Mitchell.

Francis Daniel Pastorius was a German-born educator, lawyer, poet, and public official. He was the founder of Germantown, Pennsylvania, now part of Philadelphia, the first permanent German-American settlement and the gateway for subsequent emigrants from Germany.